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Finding the Fourth Proportional to 181,356.50, 272,034.40 and 48,236.90

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Solution

The fourth proportional to 181,356.50, 272,034.40 and 48,236.90 is: 72,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,356.50 : 272,034.40 = 48,236.90 : x
  2. Step 2: Convert to fraction form
    181,356.50/272,034.40 = 48,236.90/x
  3. Step 3: Cross multiply
    181,356.50x = 272,034.40 × 48,236.90
  4. Step 4: Simplify right side
    181,356.50x = 13,122,096,149.36
  5. Step 5: Solve for x
    x = 13,122,096,149.36/181,356.50
  6. Step 6: Final answer
    x = 72,355.26

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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.