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Finding the Fourth Proportional to 74,351.90, 111,510.84 and 44,374.62

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Solution

The fourth proportional to 74,351.90, 111,510.84 and 44,374.62 is: 66,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351.90 : 111,510.84 = 44,374.62 : x
  2. Step 2: Convert to fraction form
    74,351.90/111,510.84 = 44,374.62/x
  3. Step 3: Cross multiply
    74,351.90x = 111,510.84 × 44,374.62
  4. Step 4: Simplify right side
    74,351.90x = 4,948,251,150.88
  5. Step 5: Solve for x
    x = 4,948,251,150.88/74,351.90
  6. Step 6: Final answer
    x = 66,551.78

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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.