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Finding the Fourth Proportional to 96,440.80, 144,661.20 and 25,363.30

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Solution

The fourth proportional to 96,440.80, 144,661.20 and 25,363.30 is: 38,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,440.80 : 144,661.20 = 25,363.30 : x
  2. Step 2: Convert to fraction form
    96,440.80/144,661.20 = 25,363.30/x
  3. Step 3: Cross multiply
    96,440.80x = 144,661.20 × 25,363.30
  4. Step 4: Simplify right side
    96,440.80x = 3,669,085,413.96
  5. Step 5: Solve for x
    x = 3,669,085,413.96/96,440.80
  6. Step 6: Final answer
    x = 38,044.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.