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Finding the Fourth Proportional to 71,810.15, 107,764.42 and 25,063.02

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Solution

The fourth proportional to 71,810.15, 107,764.42 and 25,063.02 is: 37,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,810.15 : 107,764.42 = 25,063.02 : x
  2. Step 2: Convert to fraction form
    71,810.15/107,764.42 = 25,063.02/x
  3. Step 3: Cross multiply
    71,810.15x = 107,764.42 × 25,063.02
  4. Step 4: Simplify right side
    71,810.15x = 2,700,901,813.75
  5. Step 5: Solve for x
    x = 2,700,901,813.75/71,810.15
  6. Step 6: Final answer
    x = 37,611.70

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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.