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Finding the Fourth Proportional to 71,353, 98,467.14 and 39,523.95

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Solution

The fourth proportional to 71,353, 98,467.14 and 39,523.95 is: 54,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353 : 98,467.14 = 39,523.95 : x
  2. Step 2: Convert to fraction form
    71,353/98,467.14 = 39,523.95/x
  3. Step 3: Cross multiply
    71,353x = 98,467.14 × 39,523.95
  4. Step 4: Simplify right side
    71,353x = 3,891,810,318.00
  5. Step 5: Solve for x
    x = 3,891,810,318.00/71,353
  6. Step 6: Final answer
    x = 54,543.05

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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.