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Finding the Fourth Proportional to 247,129.59, 370,694.42 and 60,141.09

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Solution

The fourth proportional to 247,129.59, 370,694.42 and 60,141.09 is: 90,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,129.59 : 370,694.42 = 60,141.09 : x
  2. Step 2: Convert to fraction form
    247,129.59/370,694.42 = 60,141.09/x
  3. Step 3: Cross multiply
    247,129.59x = 370,694.42 × 60,141.09
  4. Step 4: Simplify right side
    247,129.59x = 22,293,966,475.72
  5. Step 5: Solve for x
    x = 22,293,966,475.72/247,129.59
  6. Step 6: Final answer
    x = 90,211.64

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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.