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Finding the Fourth Proportional to 96,630.60, 144,945.90 and 82,806.60

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Solution

The fourth proportional to 96,630.60, 144,945.90 and 82,806.60 is: 124,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,630.60 : 144,945.90 = 82,806.60 : x
  2. Step 2: Convert to fraction form
    96,630.60/144,945.90 = 82,806.60/x
  3. Step 3: Cross multiply
    96,630.60x = 144,945.90 × 82,806.60
  4. Step 4: Simplify right side
    96,630.60x = 12,002,477,162.94
  5. Step 5: Solve for x
    x = 12,002,477,162.94/96,630.60
  6. Step 6: Final answer
    x = 124,209.90

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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.