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Finding the Fourth Proportional to 121,249.67, 181,874.52 and 37,010.30

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Solution

The fourth proportional to 121,249.67, 181,874.52 and 37,010.30 is: 55,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,249.67 : 181,874.52 = 37,010.30 : x
  2. Step 2: Convert to fraction form
    121,249.67/181,874.52 = 37,010.30/x
  3. Step 3: Cross multiply
    121,249.67x = 181,874.52 × 37,010.30
  4. Step 4: Simplify right side
    121,249.67x = 6,731,229,638.18
  5. Step 5: Solve for x
    x = 6,731,229,638.18/121,249.67
  6. Step 6: Final answer
    x = 55,515.45

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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.