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Finding the Fourth Proportional to 247,758.26, 341,900.66 and 144,385.86

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Solution

The fourth proportional to 247,758.26, 341,900.66 and 144,385.86 is: 199,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,758.26 : 341,900.66 = 144,385.86 : x
  2. Step 2: Convert to fraction form
    247,758.26/341,900.66 = 144,385.86/x
  3. Step 3: Cross multiply
    247,758.26x = 341,900.66 × 144,385.86
  4. Step 4: Simplify right side
    247,758.26x = 49,365,620,106.74
  5. Step 5: Solve for x
    x = 49,365,620,106.74/247,758.26
  6. Step 6: Final answer
    x = 199,249.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.