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Finding the Fourth Proportional to 69,751.46, 96,258.11 and 37,920.48

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Solution

The fourth proportional to 69,751.46, 96,258.11 and 37,920.48 is: 52,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,751.46 : 96,258.11 = 37,920.48 : x
  2. Step 2: Convert to fraction form
    69,751.46/96,258.11 = 37,920.48/x
  3. Step 3: Cross multiply
    69,751.46x = 96,258.11 × 37,920.48
  4. Step 4: Simplify right side
    69,751.46x = 3,650,153,545.49
  5. Step 5: Solve for x
    x = 3,650,153,545.49/69,751.46
  6. Step 6: Final answer
    x = 52,330.86

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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.