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Finding the Fourth Proportional to 71,810.30, 107,764.66 and 25,063.17

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Solution

The fourth proportional to 71,810.30, 107,764.66 and 25,063.17 is: 37,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,810.30 : 107,764.66 = 25,063.17 : x
  2. Step 2: Convert to fraction form
    71,810.30/107,764.66 = 25,063.17/x
  3. Step 3: Cross multiply
    71,810.30x = 107,764.66 × 25,063.17
  4. Step 4: Simplify right side
    71,810.30x = 2,700,924,226.96
  5. Step 5: Solve for x
    x = 2,700,924,226.96/71,810.30
  6. Step 6: Final answer
    x = 37,611.94

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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.