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Finding the Fourth Proportional to 141,879.80, 212,646.90 and 62,910.20

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Solution

The fourth proportional to 141,879.80, 212,646.90 and 62,910.20 is: 94,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,879.80 : 212,646.90 = 62,910.20 : x
  2. Step 2: Convert to fraction form
    141,879.80/212,646.90 = 62,910.20/x
  3. Step 3: Cross multiply
    141,879.80x = 212,646.90 × 62,910.20
  4. Step 4: Simplify right side
    141,879.80x = 13,377,659,008.38
  5. Step 5: Solve for x
    x = 13,377,659,008.38/141,879.80
  6. Step 6: Final answer
    x = 94,288.68

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1.5x scale

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.