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Finding the Fourth Proportional to 70,324.66, 97,049.10 and 38,496.52

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Solution

The fourth proportional to 70,324.66, 97,049.10 and 38,496.52 is: 53,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.66 : 97,049.10 = 38,496.52 : x
  2. Step 2: Convert to fraction form
    70,324.66/97,049.10 = 38,496.52/x
  3. Step 3: Cross multiply
    70,324.66x = 97,049.10 × 38,496.52
  4. Step 4: Simplify right side
    70,324.66x = 3,736,052,619.13
  5. Step 5: Solve for x
    x = 3,736,052,619.13/70,324.66
  6. Step 6: Final answer
    x = 53,125.78

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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.