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Finding the Fourth Proportional to 148,413.84, 204,819.48 and 88,020.24

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Solution

The fourth proportional to 148,413.84, 204,819.48 and 88,020.24 is: 121,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,413.84 : 204,819.48 = 88,020.24 : x
  2. Step 2: Convert to fraction form
    148,413.84/204,819.48 = 88,020.24/x
  3. Step 3: Cross multiply
    148,413.84x = 204,819.48 × 88,020.24
  4. Step 4: Simplify right side
    148,413.84x = 18,028,259,786.28
  5. Step 5: Solve for x
    x = 18,028,259,786.28/148,413.84
  6. Step 6: Final answer
    x = 121,472.90

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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.