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Finding the Fourth Proportional to 141,219.78, 211,878.21 and 88,567.62

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Solution

The fourth proportional to 141,219.78, 211,878.21 and 88,567.62 is: 132,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,219.78 : 211,878.21 = 88,567.62 : x
  2. Step 2: Convert to fraction form
    141,219.78/211,878.21 = 88,567.62/x
  3. Step 3: Cross multiply
    141,219.78x = 211,878.21 × 88,567.62
  4. Step 4: Simplify right side
    141,219.78x = 18,765,548,789.56
  5. Step 5: Solve for x
    x = 18,765,548,789.56/141,219.78
  6. Step 6: Final answer
    x = 132,881.87

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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.