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Finding the Fourth Proportional to 96,882.40, 145,323.60 and 89,300.80

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Solution

The fourth proportional to 96,882.40, 145,323.60 and 89,300.80 is: 133,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,882.40 : 145,323.60 = 89,300.80 : x
  2. Step 2: Convert to fraction form
    96,882.40/145,323.60 = 89,300.80/x
  3. Step 3: Cross multiply
    96,882.40x = 145,323.60 × 89,300.80
  4. Step 4: Simplify right side
    96,882.40x = 12,977,513,738.88
  5. Step 5: Solve for x
    x = 12,977,513,738.88/96,882.40
  6. Step 6: Final answer
    x = 133,951.20

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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.