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Finding the Fourth Proportional to 141,497.88, 212,173.78 and 41,645.12

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Solution

The fourth proportional to 141,497.88, 212,173.78 and 41,645.12 is: 62,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,497.88 : 212,173.78 = 41,645.12 : x
  2. Step 2: Convert to fraction form
    141,497.88/212,173.78 = 41,645.12/x
  3. Step 3: Cross multiply
    141,497.88x = 212,173.78 × 41,645.12
  4. Step 4: Simplify right side
    141,497.88x = 8,836,002,528.95
  5. Step 5: Solve for x
    x = 8,836,002,528.95/141,497.88
  6. Step 6: Final answer
    x = 62,446.18

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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.