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Finding the Fourth Proportional to 242,042.50, 334,027.87 and 134,620.30

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Solution

The fourth proportional to 242,042.50, 334,027.87 and 134,620.30 is: 185,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,042.50 : 334,027.87 = 134,620.30 : x
  2. Step 2: Convert to fraction form
    242,042.50/334,027.87 = 134,620.30/x
  3. Step 3: Cross multiply
    242,042.50x = 334,027.87 × 134,620.30
  4. Step 4: Simplify right side
    242,042.50x = 44,966,932,148.75
  5. Step 5: Solve for x
    x = 44,966,932,148.75/242,042.50
  6. Step 6: Final answer
    x = 185,781.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.