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Finding the Fourth Proportional to 110,722.38, 152,805.09 and 62,991.10

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Solution

The fourth proportional to 110,722.38, 152,805.09 and 62,991.10 is: 86,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,722.38 : 152,805.09 = 62,991.10 : x
  2. Step 2: Convert to fraction form
    110,722.38/152,805.09 = 62,991.10/x
  3. Step 3: Cross multiply
    110,722.38x = 152,805.09 × 62,991.10
  4. Step 4: Simplify right side
    110,722.38x = 9,625,360,704.70
  5. Step 5: Solve for x
    x = 9,625,360,704.70/110,722.38
  6. Step 6: Final answer
    x = 86,932.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.