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Finding the Fourth Proportional to 71,409.48, 107,126.37 and 24,651.42

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Solution

The fourth proportional to 71,409.48, 107,126.37 and 24,651.42 is: 36,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,409.48 : 107,126.37 = 24,651.42 : x
  2. Step 2: Convert to fraction form
    71,409.48/107,126.37 = 24,651.42/x
  3. Step 3: Cross multiply
    71,409.48x = 107,126.37 × 24,651.42
  4. Step 4: Simplify right side
    71,409.48x = 2,640,817,139.95
  5. Step 5: Solve for x
    x = 2,640,817,139.95/71,409.48
  6. Step 6: Final answer
    x = 36,981.32

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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.