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Finding the Fourth Proportional to 555,445.86, 833,168.84 and 134,721.73

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Solution

The fourth proportional to 555,445.86, 833,168.84 and 134,721.73 is: 202,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,445.86 : 833,168.84 = 134,721.73 : x
  2. Step 2: Convert to fraction form
    555,445.86/833,168.84 = 134,721.73/x
  3. Step 3: Cross multiply
    555,445.86x = 833,168.84 × 134,721.73
  4. Step 4: Simplify right side
    555,445.86x = 112,245,947,874.75
  5. Step 5: Solve for x
    x = 112,245,947,874.75/555,445.86
  6. Step 6: Final answer
    x = 202,082.61

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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.