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Finding the Fourth Proportional to 71,330.76, 106,937.80 and 26,932.28

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Solution

The fourth proportional to 71,330.76, 106,937.80 and 26,932.28 is: 40,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.76 : 106,937.80 = 26,932.28 : x
  2. Step 2: Convert to fraction form
    71,330.76/106,937.80 = 26,932.28/x
  3. Step 3: Cross multiply
    71,330.76x = 106,937.80 × 26,932.28
  4. Step 4: Simplify right side
    71,330.76x = 2,880,078,772.18
  5. Step 5: Solve for x
    x = 2,880,078,772.18/71,330.76
  6. Step 6: Final answer
    x = 40,376.39

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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.