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Finding the Fourth Proportional to 100,573.80, 150,947.10 and 44,500.20

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Solution

The fourth proportional to 100,573.80, 150,947.10 and 44,500.20 is: 66,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,573.80 : 150,947.10 = 44,500.20 : x
  2. Step 2: Convert to fraction form
    100,573.80/150,947.10 = 44,500.20/x
  3. Step 3: Cross multiply
    100,573.80x = 150,947.10 × 44,500.20
  4. Step 4: Simplify right side
    100,573.80x = 6,717,176,139.42
  5. Step 5: Solve for x
    x = 6,717,176,139.42/100,573.80
  6. Step 6: Final answer
    x = 66,788.53

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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.