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Finding the Fourth Proportional to 141,617, 212,453.58 and 41,778.92

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Solution

The fourth proportional to 141,617, 212,453.58 and 41,778.92 is: 62,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,617 : 212,453.58 = 41,778.92 : x
  2. Step 2: Convert to fraction form
    141,617/212,453.58 = 41,778.92/x
  3. Step 3: Cross multiply
    141,617x = 212,453.58 × 41,778.92
  4. Step 4: Simplify right side
    141,617x = 8,876,081,122.53
  5. Step 5: Solve for x
    x = 8,876,081,122.53/141,617
  6. Step 6: Final answer
    x = 62,676.66

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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.