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Finding the Fourth Proportional to 141,167.28, 211,744.08 and 52,438.08

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Solution

The fourth proportional to 141,167.28, 211,744.08 and 52,438.08 is: 78,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,167.28 : 211,744.08 = 52,438.08 : x
  2. Step 2: Convert to fraction form
    141,167.28/211,744.08 = 52,438.08/x
  3. Step 3: Cross multiply
    141,167.28x = 211,744.08 × 52,438.08
  4. Step 4: Simplify right side
    141,167.28x = 11,103,453,006.57
  5. Step 5: Solve for x
    x = 11,103,453,006.57/141,167.28
  6. Step 6: Final answer
    x = 78,654.58

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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.