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Finding the Fourth Proportional to 148,627.92, 205,105.98 and 88,248.20

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Solution

The fourth proportional to 148,627.92, 205,105.98 and 88,248.20 is: 121,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,627.92 : 205,105.98 = 88,248.20 : x
  2. Step 2: Convert to fraction form
    148,627.92/205,105.98 = 88,248.20/x
  3. Step 3: Cross multiply
    148,627.92x = 205,105.98 × 88,248.20
  4. Step 4: Simplify right side
    148,627.92x = 18,100,232,518.71
  5. Step 5: Solve for x
    x = 18,100,232,518.71/148,627.92
  6. Step 6: Final answer
    x = 121,782.18

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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.