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Finding the Fourth Proportional to 64,394.11, 96,117.42 and 59,881.60

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Solution

The fourth proportional to 64,394.11, 96,117.42 and 59,881.60 is: 89,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,394.11 : 96,117.42 = 59,881.60 : x
  2. Step 2: Convert to fraction form
    64,394.11/96,117.42 = 59,881.60/x
  3. Step 3: Cross multiply
    64,394.11x = 96,117.42 × 59,881.60
  4. Step 4: Simplify right side
    64,394.11x = 5,755,664,897.47
  5. Step 5: Solve for x
    x = 5,755,664,897.47/64,394.11
  6. Step 6: Final answer
    x = 89,381.85

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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.