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Finding the Fourth Proportional to 70,306.87, 97,023.21 and 38,041.39

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Solution

The fourth proportional to 70,306.87, 97,023.21 and 38,041.39 is: 52,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,306.87 : 97,023.21 = 38,041.39 : x
  2. Step 2: Convert to fraction form
    70,306.87/97,023.21 = 38,041.39/x
  3. Step 3: Cross multiply
    70,306.87x = 97,023.21 × 38,041.39
  4. Step 4: Simplify right side
    70,306.87x = 3,690,897,770.66
  5. Step 5: Solve for x
    x = 3,690,897,770.66/70,306.87
  6. Step 6: Final answer
    x = 52,496.97

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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.