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Finding the Fourth Proportional to 84,411.52, 116,484.12 and 48,593.92

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Solution

The fourth proportional to 84,411.52, 116,484.12 and 48,593.92 is: 67,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,411.52 : 116,484.12 = 48,593.92 : x
  2. Step 2: Convert to fraction form
    84,411.52/116,484.12 = 48,593.92/x
  3. Step 3: Cross multiply
    84,411.52x = 116,484.12 × 48,593.92
  4. Step 4: Simplify right side
    84,411.52x = 5,660,420,008.55
  5. Step 5: Solve for x
    x = 5,660,420,008.55/84,411.52
  6. Step 6: Final answer
    x = 67,057.43

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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.