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Finding the Fourth Proportional to 65,989.54, 98,250.07 and 65,057.91

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Solution

The fourth proportional to 65,989.54, 98,250.07 and 65,057.91 is: 96,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,989.54 : 98,250.07 = 65,057.91 : x
  2. Step 2: Convert to fraction form
    65,989.54/98,250.07 = 65,057.91/x
  3. Step 3: Cross multiply
    65,989.54x = 98,250.07 × 65,057.91
  4. Step 4: Simplify right side
    65,989.54x = 6,391,944,211.55
  5. Step 5: Solve for x
    x = 6,391,944,211.55/65,989.54
  6. Step 6: Final answer
    x = 96,862.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.