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Finding the Fourth Proportional to 69,126.70, 103,690.05 and 24,754.90

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Solution

The fourth proportional to 69,126.70, 103,690.05 and 24,754.90 is: 37,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126.70 : 103,690.05 = 24,754.90 : x
  2. Step 2: Convert to fraction form
    69,126.70/103,690.05 = 24,754.90/x
  3. Step 3: Cross multiply
    69,126.70x = 103,690.05 × 24,754.90
  4. Step 4: Simplify right side
    69,126.70x = 2,566,836,818.75
  5. Step 5: Solve for x
    x = 2,566,836,818.75/69,126.70
  6. Step 6: Final answer
    x = 37,132.35

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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.