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Finding the Fourth Proportional to 144,798.60, 217,392.30 and 92,310.60

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Solution

The fourth proportional to 144,798.60, 217,392.30 and 92,310.60 is: 138,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,798.60 : 217,392.30 = 92,310.60 : x
  2. Step 2: Convert to fraction form
    144,798.60/217,392.30 = 92,310.60/x
  3. Step 3: Cross multiply
    144,798.60x = 217,392.30 × 92,310.60
  4. Step 4: Simplify right side
    144,798.60x = 20,067,613,648.38
  5. Step 5: Solve for x
    x = 20,067,613,648.38/144,798.60
  6. Step 6: Final answer
    x = 138,589.83

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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.