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Finding the Fourth Proportional to 70,691.88, 97,545.34 and 43,824.58

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Solution

The fourth proportional to 70,691.88, 97,545.34 and 43,824.58 is: 60,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.88 : 97,545.34 = 43,824.58 : x
  2. Step 2: Convert to fraction form
    70,691.88/97,545.34 = 43,824.58/x
  3. Step 3: Cross multiply
    70,691.88x = 97,545.34 × 43,824.58
  4. Step 4: Simplify right side
    70,691.88x = 4,274,883,556.46
  5. Step 5: Solve for x
    x = 4,274,883,556.46/70,691.88
  6. Step 6: Final answer
    x = 60,472.06

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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.