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Finding the Fourth Proportional to 71,810.52, 107,764.98 and 25,063.40

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Solution

The fourth proportional to 71,810.52, 107,764.98 and 25,063.40 is: 37,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,810.52 : 107,764.98 = 25,063.40 : x
  2. Step 2: Convert to fraction form
    71,810.52/107,764.98 = 25,063.40/x
  3. Step 3: Cross multiply
    71,810.52x = 107,764.98 × 25,063.40
  4. Step 4: Simplify right side
    71,810.52x = 2,700,956,260.91
  5. Step 5: Solve for x
    x = 2,700,956,260.91/71,810.52
  6. Step 6: Final answer
    x = 37,612.26

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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.