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Finding the Fourth Proportional to 88,565.67, 122,218.20 and 48,280.25

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Solution

The fourth proportional to 88,565.67, 122,218.20 and 48,280.25 is: 66,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.67 : 122,218.20 = 48,280.25 : x
  2. Step 2: Convert to fraction form
    88,565.67/122,218.20 = 48,280.25/x
  3. Step 3: Cross multiply
    88,565.67x = 122,218.20 × 48,280.25
  4. Step 4: Simplify right side
    88,565.67x = 5,900,725,556.10
  5. Step 5: Solve for x
    x = 5,900,725,556.10/88,565.67
  6. Step 6: Final answer
    x = 66,625.43

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Double scale
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1.5x scale

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.