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Finding the Fourth Proportional to 95,920.20, 144,053.10 and 92,809.80

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Solution

The fourth proportional to 95,920.20, 144,053.10 and 92,809.80 is: 139,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,920.20 : 144,053.10 = 92,809.80 : x
  2. Step 2: Convert to fraction form
    95,920.20/144,053.10 = 92,809.80/x
  3. Step 3: Cross multiply
    95,920.20x = 144,053.10 × 92,809.80
  4. Step 4: Simplify right side
    95,920.20x = 13,369,539,400.38
  5. Step 5: Solve for x
    x = 13,369,539,400.38/95,920.20
  6. Step 6: Final answer
    x = 139,381.90

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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.