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Finding the Fourth Proportional to 181,471.48, 272,262.60 and 92,787.28

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Solution

The fourth proportional to 181,471.48, 272,262.60 and 92,787.28 is: 139,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,471.48 : 272,262.60 = 92,787.28 : x
  2. Step 2: Convert to fraction form
    181,471.48/272,262.60 = 92,787.28/x
  3. Step 3: Cross multiply
    181,471.48x = 272,262.60 × 92,787.28
  4. Step 4: Simplify right side
    181,471.48x = 25,262,506,099.73
  5. Step 5: Solve for x
    x = 25,262,506,099.73/181,471.48
  6. Step 6: Final answer
    x = 139,209.24

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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.