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Finding the Fourth Proportional to 86,635.57, 129,957.96 and 24,310.93

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Solution

The fourth proportional to 86,635.57, 129,957.96 and 24,310.93 is: 36,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,635.57 : 129,957.96 = 24,310.93 : x
  2. Step 2: Convert to fraction form
    86,635.57/129,957.96 = 24,310.93/x
  3. Step 3: Cross multiply
    86,635.57x = 129,957.96 × 24,310.93
  4. Step 4: Simplify right side
    86,635.57x = 3,159,398,868.50
  5. Step 5: Solve for x
    x = 3,159,398,868.50/86,635.57
  6. Step 6: Final answer
    x = 36,467.69

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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.