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Finding the Fourth Proportional to 181,678,793.70, 272,518,190.55 and 181,678,793.70

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Solution

The fourth proportional to 181,678,793.70, 272,518,190.55 and 181,678,793.70 is: 272,518,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,678,793.70 : 272,518,190.55 = 181,678,793.70 : x
  2. Step 2: Convert to fraction form
    181,678,793.70/272,518,190.55 = 181,678,793.70/x
  3. Step 3: Cross multiply
    181,678,793.70x = 272,518,190.55 × 181,678,793.70
  4. Step 4: Simplify right side
    181,678,793.70x = 49,510,776,120,430,736
  5. Step 5: Solve for x
    x = 49,510,776,120,430,736/181,678,793.70
  6. Step 6: Final answer
    x = 272,518,190.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.