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Finding the Fourth Proportional to 181,523.70, 272,285.55 and 168,401.70

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Solution

The fourth proportional to 181,523.70, 272,285.55 and 168,401.70 is: 252,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,523.70 : 272,285.55 = 168,401.70 : x
  2. Step 2: Convert to fraction form
    181,523.70/272,285.55 = 168,401.70/x
  3. Step 3: Cross multiply
    181,523.70x = 272,285.55 × 168,401.70
  4. Step 4: Simplify right side
    181,523.70x = 45,853,349,505.44
  5. Step 5: Solve for x
    x = 45,853,349,505.44/181,523.70
  6. Step 6: Final answer
    x = 252,602.55

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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.