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Finding the Fourth Proportional to 141,494.88, 212,169.28 and 41,642.12

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Solution

The fourth proportional to 141,494.88, 212,169.28 and 41,642.12 is: 62,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,494.88 : 212,169.28 = 41,642.12 : x
  2. Step 2: Convert to fraction form
    141,494.88/212,169.28 = 41,642.12/x
  3. Step 3: Cross multiply
    141,494.88x = 212,169.28 × 41,642.12
  4. Step 4: Simplify right side
    141,494.88x = 8,835,178,618.07
  5. Step 5: Solve for x
    x = 8,835,178,618.07/141,494.88
  6. Step 6: Final answer
    x = 62,441.68

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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.