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Finding the Fourth Proportional to 83,068.57, 124,604.63 and 29,764.03

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Solution

The fourth proportional to 83,068.57, 124,604.63 and 29,764.03 is: 44,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,068.57 : 124,604.63 = 29,764.03 : x
  2. Step 2: Convert to fraction form
    83,068.57/124,604.63 = 29,764.03/x
  3. Step 3: Cross multiply
    83,068.57x = 124,604.63 × 29,764.03
  4. Step 4: Simplify right side
    83,068.57x = 3,708,735,796.64
  5. Step 5: Solve for x
    x = 3,708,735,796.64/83,068.57
  6. Step 6: Final answer
    x = 44,646.68

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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.