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Finding the Fourth Proportional to 141,879.70, 212,819.55 and 62,910.10

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Solution

The fourth proportional to 141,879.70, 212,819.55 and 62,910.10 is: 94,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,879.70 : 212,819.55 = 62,910.10 : x
  2. Step 2: Convert to fraction form
    141,879.70/212,819.55 = 62,910.10/x
  3. Step 3: Cross multiply
    141,879.70x = 212,819.55 × 62,910.10
  4. Step 4: Simplify right side
    141,879.70x = 13,388,499,172.46
  5. Step 5: Solve for x
    x = 13,388,499,172.46/141,879.70
  6. Step 6: Final answer
    x = 94,365.15

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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.