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Finding the Fourth Proportional to 91,449.76, 137,170.98 and 35,265.73

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Solution

The fourth proportional to 91,449.76, 137,170.98 and 35,265.73 is: 52,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.76 : 137,170.98 = 35,265.73 : x
  2. Step 2: Convert to fraction form
    91,449.76/137,170.98 = 35,265.73/x
  3. Step 3: Cross multiply
    91,449.76x = 137,170.98 × 35,265.73
  4. Step 4: Simplify right side
    91,449.76x = 4,837,434,744.52
  5. Step 5: Solve for x
    x = 4,837,434,744.52/91,449.76
  6. Step 6: Final answer
    x = 52,897.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.