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Finding the Fourth Proportional to 242,591.70, 363,887.55 and 84,836.10

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Solution

The fourth proportional to 242,591.70, 363,887.55 and 84,836.10 is: 127,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,591.70 : 363,887.55 = 84,836.10 : x
  2. Step 2: Convert to fraction form
    242,591.70/363,887.55 = 84,836.10/x
  3. Step 3: Cross multiply
    242,591.70x = 363,887.55 × 84,836.10
  4. Step 4: Simplify right side
    242,591.70x = 30,870,800,580.56
  5. Step 5: Solve for x
    x = 30,870,800,580.56/242,591.70
  6. Step 6: Final answer
    x = 127,254.15

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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.