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Finding the Fourth Proportional to 331,668.66, 497,508.39 and 95,010.42

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Solution

The fourth proportional to 331,668.66, 497,508.39 and 95,010.42 is: 142,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,668.66 : 497,508.39 = 95,010.42 : x
  2. Step 2: Convert to fraction form
    331,668.66/497,508.39 = 95,010.42/x
  3. Step 3: Cross multiply
    331,668.66x = 497,508.39 × 95,010.42
  4. Step 4: Simplify right side
    331,668.66x = 47,268,478,865.48
  5. Step 5: Solve for x
    x = 47,268,478,865.48/331,668.66
  6. Step 6: Final answer
    x = 142,517.17

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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.