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Finding the Fourth Proportional to 67,513.17, 93,168.87 and 47,124.87

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Solution

The fourth proportional to 67,513.17, 93,168.87 and 47,124.87 is: 65,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,513.17 : 93,168.87 = 47,124.87 : x
  2. Step 2: Convert to fraction form
    67,513.17/93,168.87 = 47,124.87/x
  3. Step 3: Cross multiply
    67,513.17x = 93,168.87 × 47,124.87
  4. Step 4: Simplify right side
    67,513.17x = 4,390,570,360.70
  5. Step 5: Solve for x
    x = 4,390,570,360.70/67,513.17
  6. Step 6: Final answer
    x = 65,032.79

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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.