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Finding the Fourth Proportional to 69,854.54, 96,512.18 and 48,728.12

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Solution

The fourth proportional to 69,854.54, 96,512.18 and 48,728.12 is: 67,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.54 : 96,512.18 = 48,728.12 : x
  2. Step 2: Convert to fraction form
    69,854.54/96,512.18 = 48,728.12/x
  3. Step 3: Cross multiply
    69,854.54x = 96,512.18 × 48,728.12
  4. Step 4: Simplify right side
    69,854.54x = 4,702,856,362.30
  5. Step 5: Solve for x
    x = 4,702,856,362.30/69,854.54
  6. Step 6: Final answer
    x = 67,323.57

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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.