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Finding the Fourth Proportional to 96,811.40, 145,217.10 and 63,633.80

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Solution

The fourth proportional to 96,811.40, 145,217.10 and 63,633.80 is: 95,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,811.40 : 145,217.10 = 63,633.80 : x
  2. Step 2: Convert to fraction form
    96,811.40/145,217.10 = 63,633.80/x
  3. Step 3: Cross multiply
    96,811.40x = 145,217.10 × 63,633.80
  4. Step 4: Simplify right side
    96,811.40x = 9,240,715,897.98
  5. Step 5: Solve for x
    x = 9,240,715,897.98/96,811.40
  6. Step 6: Final answer
    x = 95,450.70

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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.