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Finding the Fourth Proportional to 83,714.85, 125,615.00 and 55,654.02

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Solution

The fourth proportional to 83,714.85, 125,615.00 and 55,654.02 is: 83,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,714.85 : 125,615.00 = 55,654.02 : x
  2. Step 2: Convert to fraction form
    83,714.85/125,615.00 = 55,654.02/x
  3. Step 3: Cross multiply
    83,714.85x = 125,615.00 × 55,654.02
  4. Step 4: Simplify right side
    83,714.85x = 6,990,979,861.44
  5. Step 5: Solve for x
    x = 6,990,979,861.44/83,714.85
  6. Step 6: Final answer
    x = 83,509.44

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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.