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Finding the Fourth Proportional to 100,042.02, 150,040.71 and 29,912.22

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Solution

The fourth proportional to 100,042.02, 150,040.71 and 29,912.22 is: 44,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,042.02 : 150,040.71 = 29,912.22 : x
  2. Step 2: Convert to fraction form
    100,042.02/150,040.71 = 29,912.22/x
  3. Step 3: Cross multiply
    100,042.02x = 150,040.71 × 29,912.22
  4. Step 4: Simplify right side
    100,042.02x = 4,488,050,726.48
  5. Step 5: Solve for x
    x = 4,488,050,726.48/100,042.02
  6. Step 6: Final answer
    x = 44,861.66

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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.