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Finding the Fourth Proportional to 275,894.15, 413,671.86 and 107,217.53

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Solution

The fourth proportional to 275,894.15, 413,671.86 and 107,217.53 is: 160,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,894.15 : 413,671.86 = 107,217.53 : x
  2. Step 2: Convert to fraction form
    275,894.15/413,671.86 = 107,217.53/x
  3. Step 3: Cross multiply
    275,894.15x = 413,671.86 × 107,217.53
  4. Step 4: Simplify right side
    275,894.15x = 44,352,872,991.35
  5. Step 5: Solve for x
    x = 44,352,872,991.35/275,894.15
  6. Step 6: Final answer
    x = 160,760.47

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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.