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Finding the Fourth Proportional to 293,230.69, 439,882.25 and 103,651.96

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Solution

The fourth proportional to 293,230.69, 439,882.25 and 103,651.96 is: 155,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,230.69 : 439,882.25 = 103,651.96 : x
  2. Step 2: Convert to fraction form
    293,230.69/439,882.25 = 103,651.96/x
  3. Step 3: Cross multiply
    293,230.69x = 439,882.25 × 103,651.96
  4. Step 4: Simplify right side
    293,230.69x = 45,594,654,664.04
  5. Step 5: Solve for x
    x = 45,594,654,664.04/293,230.69
  6. Step 6: Final answer
    x = 155,490.73

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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.