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Finding the Fourth Proportional to 269,668.02, 404,350.14 and 89,656.86

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Solution

The fourth proportional to 269,668.02, 404,350.14 and 89,656.86 is: 134,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,668.02 : 404,350.14 = 89,656.86 : x
  2. Step 2: Convert to fraction form
    269,668.02/404,350.14 = 89,656.86/x
  3. Step 3: Cross multiply
    269,668.02x = 404,350.14 × 89,656.86
  4. Step 4: Simplify right side
    269,668.02x = 36,252,763,892.96
  5. Step 5: Solve for x
    x = 36,252,763,892.96/269,668.02
  6. Step 6: Final answer
    x = 134,434.79

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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.