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Finding the Fourth Proportional to 141,221.87, 211,832.62 and 36,040.84

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Solution

The fourth proportional to 141,221.87, 211,832.62 and 36,040.84 is: 54,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,221.87 : 211,832.62 = 36,040.84 : x
  2. Step 2: Convert to fraction form
    141,221.87/211,832.62 = 36,040.84/x
  3. Step 3: Cross multiply
    141,221.87x = 211,832.62 × 36,040.84
  4. Step 4: Simplify right side
    141,221.87x = 7,634,625,564.20
  5. Step 5: Solve for x
    x = 7,634,625,564.20/141,221.87
  6. Step 6: Final answer
    x = 54,061.21

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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.