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Finding the Fourth Proportional to 293,228.76, 439,879.37 and 103,650.02

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Solution

The fourth proportional to 293,228.76, 439,879.37 and 103,650.02 is: 155,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,228.76 : 439,879.37 = 103,650.02 : x
  2. Step 2: Convert to fraction form
    293,228.76/439,879.37 = 103,650.02/x
  3. Step 3: Cross multiply
    293,228.76x = 439,879.37 × 103,650.02
  4. Step 4: Simplify right side
    293,228.76x = 45,593,502,780.44
  5. Step 5: Solve for x
    x = 45,593,502,780.44/293,228.76
  6. Step 6: Final answer
    x = 155,487.83

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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.