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Finding the Fourth Proportional to 182,139.60, 272,917.80 and 119,737.20

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Solution

The fourth proportional to 182,139.60, 272,917.80 and 119,737.20 is: 179,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,139.60 : 272,917.80 = 119,737.20 : x
  2. Step 2: Convert to fraction form
    182,139.60/272,917.80 = 119,737.20/x
  3. Step 3: Cross multiply
    182,139.60x = 272,917.80 × 119,737.20
  4. Step 4: Simplify right side
    182,139.60x = 32,678,413,202.16
  5. Step 5: Solve for x
    x = 32,678,413,202.16/182,139.60
  6. Step 6: Final answer
    x = 179,414.10

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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.