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Finding the Fourth Proportional to 83,699.70, 125,537.40 and 24,529.20

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Solution

The fourth proportional to 83,699.70, 125,537.40 and 24,529.20 is: 36,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,699.70 : 125,537.40 = 24,529.20 : x
  2. Step 2: Convert to fraction form
    83,699.70/125,537.40 = 24,529.20/x
  3. Step 3: Cross multiply
    83,699.70x = 125,537.40 × 24,529.20
  4. Step 4: Simplify right side
    83,699.70x = 3,079,331,992.08
  5. Step 5: Solve for x
    x = 3,079,331,992.08/83,699.70
  6. Step 6: Final answer
    x = 36,790.24

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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.