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Finding the Fourth Proportional to 83,254.77, 124,928.33 and 36,506.43

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Solution

The fourth proportional to 83,254.77, 124,928.33 and 36,506.43 is: 54,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,254.77 : 124,928.33 = 36,506.43 : x
  2. Step 2: Convert to fraction form
    83,254.77/124,928.33 = 36,506.43/x
  3. Step 3: Cross multiply
    83,254.77x = 124,928.33 × 36,506.43
  4. Step 4: Simplify right side
    83,254.77x = 4,560,687,151.63
  5. Step 5: Solve for x
    x = 4,560,687,151.63/83,254.77
  6. Step 6: Final answer
    x = 54,779.89

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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.