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Finding the Fourth Proportional to 100,701.48, 151,012.61 and 36,644.41

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Solution

The fourth proportional to 100,701.48, 151,012.61 and 36,644.41 is: 54,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,701.48 : 151,012.61 = 36,644.41 : x
  2. Step 2: Convert to fraction form
    100,701.48/151,012.61 = 36,644.41/x
  3. Step 3: Cross multiply
    100,701.48x = 151,012.61 × 36,644.41
  4. Step 4: Simplify right side
    100,701.48x = 5,533,767,996.01
  5. Step 5: Solve for x
    x = 5,533,767,996.01/100,701.48
  6. Step 6: Final answer
    x = 54,952.20

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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.