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Finding the Fourth Proportional to 374,512.75, 561,773.15 and 108,275.57

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Solution

The fourth proportional to 374,512.75, 561,773.15 and 108,275.57 is: 162,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,512.75 : 561,773.15 = 108,275.57 : x
  2. Step 2: Convert to fraction form
    374,512.75/561,773.15 = 108,275.57/x
  3. Step 3: Cross multiply
    374,512.75x = 561,773.15 × 108,275.57
  4. Step 4: Simplify right side
    374,512.75x = 60,826,308,026.95
  5. Step 5: Solve for x
    x = 60,826,308,026.95/374,512.75
  6. Step 6: Final answer
    x = 162,414.52

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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.