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Finding the Fourth Proportional to 148,727.88, 205,151.00 and 88,255.71

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Solution

The fourth proportional to 148,727.88, 205,151.00 and 88,255.71 is: 121,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,727.88 : 205,151.00 = 88,255.71 : x
  2. Step 2: Convert to fraction form
    148,727.88/205,151.00 = 88,255.71/x
  3. Step 3: Cross multiply
    148,727.88x = 205,151.00 × 88,255.71
  4. Step 4: Simplify right side
    148,727.88x = 18,105,746,720.93
  5. Step 5: Solve for x
    x = 18,105,746,720.93/148,727.88
  6. Step 6: Final answer
    x = 121,737.41

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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.