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Finding the Fourth Proportional to 247,678.64, 371,517.92 and 60,688.52

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Solution

The fourth proportional to 247,678.64, 371,517.92 and 60,688.52 is: 91,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,678.64 : 371,517.92 = 60,688.52 : x
  2. Step 2: Convert to fraction form
    247,678.64/371,517.92 = 60,688.52/x
  3. Step 3: Cross multiply
    247,678.64x = 371,517.92 × 60,688.52
  4. Step 4: Simplify right side
    247,678.64x = 22,546,872,718.28
  5. Step 5: Solve for x
    x = 22,546,872,718.28/247,678.64
  6. Step 6: Final answer
    x = 91,032.77

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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.