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Finding the Fourth Proportional to 88,627.91, 122,306.90 and 48,342.54

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Solution

The fourth proportional to 88,627.91, 122,306.90 and 48,342.54 is: 66,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,627.91 : 122,306.90 = 48,342.54 : x
  2. Step 2: Convert to fraction form
    88,627.91/122,306.90 = 48,342.54/x
  3. Step 3: Cross multiply
    88,627.91x = 122,306.90 × 48,342.54
  4. Step 4: Simplify right side
    88,627.91x = 5,912,625,963.81
  5. Step 5: Solve for x
    x = 5,912,625,963.81/88,627.91
  6. Step 6: Final answer
    x = 66,712.91

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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.