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Finding the Fourth Proportional to 100,140.60, 150,262.67 and 44,020.11

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Solution

The fourth proportional to 100,140.60, 150,262.67 and 44,020.11 is: 66,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,140.60 : 150,262.67 = 44,020.11 : x
  2. Step 2: Convert to fraction form
    100,140.60/150,262.67 = 44,020.11/x
  3. Step 3: Cross multiply
    100,140.60x = 150,262.67 × 44,020.11
  4. Step 4: Simplify right side
    100,140.60x = 6,614,579,042.19
  5. Step 5: Solve for x
    x = 6,614,579,042.19/100,140.60
  6. Step 6: Final answer
    x = 66,052.92

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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.