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Finding the Fourth Proportional to 71,695.59, 98,964.53 and 43,401.29

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Solution

The fourth proportional to 71,695.59, 98,964.53 and 43,401.29 is: 59,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,695.59 : 98,964.53 = 43,401.29 : x
  2. Step 2: Convert to fraction form
    71,695.59/98,964.53 = 43,401.29/x
  3. Step 3: Cross multiply
    71,695.59x = 98,964.53 × 43,401.29
  4. Step 4: Simplify right side
    71,695.59x = 4,295,188,266.24
  5. Step 5: Solve for x
    x = 4,295,188,266.24/71,695.59
  6. Step 6: Final answer
    x = 59,908.68

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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.