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Finding the Fourth Proportional to 84,402.68, 116,487.78 and 48,589.16

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Solution

The fourth proportional to 84,402.68, 116,487.78 and 48,589.16 is: 67,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,402.68 : 116,487.78 = 48,589.16 : x
  2. Step 2: Convert to fraction form
    84,402.68/116,487.78 = 48,589.16/x
  3. Step 3: Cross multiply
    84,402.68x = 116,487.78 × 48,589.16
  4. Step 4: Simplify right side
    84,402.68x = 5,660,043,380.46
  5. Step 5: Solve for x
    x = 5,660,043,380.46/84,402.68
  6. Step 6: Final answer
    x = 67,060.00

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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.