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Finding the Fourth Proportional to 70,016, 96,665.92 and 44,909.12

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Solution

The fourth proportional to 70,016, 96,665.92 and 44,909.12 is: 62,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016 : 96,665.92 = 44,909.12 : x
  2. Step 2: Convert to fraction form
    70,016/96,665.92 = 44,909.12/x
  3. Step 3: Cross multiply
    70,016x = 96,665.92 × 44,909.12
  4. Step 4: Simplify right side
    70,016x = 4,341,181,401.19
  5. Step 5: Solve for x
    x = 4,341,181,401.19/70,016
  6. Step 6: Final answer
    x = 62,002.71

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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.