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Finding the Fourth Proportional to 141,479.97, 195,239.46 and 76,950.45

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Solution

The fourth proportional to 141,479.97, 195,239.46 and 76,950.45 is: 106,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479.97 : 195,239.46 = 76,950.45 : x
  2. Step 2: Convert to fraction form
    141,479.97/195,239.46 = 76,950.45/x
  3. Step 3: Cross multiply
    141,479.97x = 195,239.46 × 76,950.45
  4. Step 4: Simplify right side
    141,479.97x = 15,023,764,304.76
  5. Step 5: Solve for x
    x = 15,023,764,304.76/141,479.97
  6. Step 6: Final answer
    x = 106,190.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.