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Finding the Fourth Proportional to 83,370.82, 124,966.54 and 36,008.19

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Solution

The fourth proportional to 83,370.82, 124,966.54 and 36,008.19 is: 53,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,370.82 : 124,966.54 = 36,008.19 : x
  2. Step 2: Convert to fraction form
    83,370.82/124,966.54 = 36,008.19/x
  3. Step 3: Cross multiply
    83,370.82x = 124,966.54 × 36,008.19
  4. Step 4: Simplify right side
    83,370.82x = 4,499,818,735.92
  5. Step 5: Solve for x
    x = 4,499,818,735.92/83,370.82
  6. Step 6: Final answer
    x = 53,973.55

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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.