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Finding the Fourth Proportional to 168,279.66, 252,364.86 and 55,929.66

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Solution

The fourth proportional to 168,279.66, 252,364.86 and 55,929.66 is: 83,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,279.66 : 252,364.86 = 55,929.66 : x
  2. Step 2: Convert to fraction form
    168,279.66/252,364.86 = 55,929.66/x
  3. Step 3: Cross multiply
    168,279.66x = 252,364.86 × 55,929.66
  4. Step 4: Simplify right side
    168,279.66x = 14,114,680,815.75
  5. Step 5: Solve for x
    x = 14,114,680,815.75/168,279.66
  6. Step 6: Final answer
    x = 83,876.33

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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.