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Finding the Fourth Proportional to 71,433.63, 98,552.07 and 42,753.96

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Solution

The fourth proportional to 71,433.63, 98,552.07 and 42,753.96 is: 58,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,433.63 : 98,552.07 = 42,753.96 : x
  2. Step 2: Convert to fraction form
    71,433.63/98,552.07 = 42,753.96/x
  3. Step 3: Cross multiply
    71,433.63x = 98,552.07 × 42,753.96
  4. Step 4: Simplify right side
    71,433.63x = 4,213,491,258.70
  5. Step 5: Solve for x
    x = 4,213,491,258.70/71,433.63
  6. Step 6: Final answer
    x = 58,984.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.