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Finding the Fourth Proportional to 99,793.26, 137,711.25 and 59,486.25

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Solution

The fourth proportional to 99,793.26, 137,711.25 and 59,486.25 is: 82,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793.26 : 137,711.25 = 59,486.25 : x
  2. Step 2: Convert to fraction form
    99,793.26/137,711.25 = 59,486.25/x
  3. Step 3: Cross multiply
    99,793.26x = 137,711.25 × 59,486.25
  4. Step 4: Simplify right side
    99,793.26x = 8,191,925,845.31
  5. Step 5: Solve for x
    x = 8,191,925,845.31/99,793.26
  6. Step 6: Final answer
    x = 82,088.97

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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.