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Finding the Fourth Proportional to 100,012.38, 150,044.49 and 37,683.42

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Solution

The fourth proportional to 100,012.38, 150,044.49 and 37,683.42 is: 56,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,012.38 : 150,044.49 = 37,683.42 : x
  2. Step 2: Convert to fraction form
    100,012.38/150,044.49 = 37,683.42/x
  3. Step 3: Cross multiply
    100,012.38x = 150,044.49 × 37,683.42
  4. Step 4: Simplify right side
    100,012.38x = 5,654,189,535.36
  5. Step 5: Solve for x
    x = 5,654,189,535.36/100,012.38
  6. Step 6: Final answer
    x = 56,534.90

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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.