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Finding the Fourth Proportional to 168,234.17, 252,312.35 and 49,876.97

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Solution

The fourth proportional to 168,234.17, 252,312.35 and 49,876.97 is: 74,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,234.17 : 252,312.35 = 49,876.97 : x
  2. Step 2: Convert to fraction form
    168,234.17/252,312.35 = 49,876.97/x
  3. Step 3: Cross multiply
    168,234.17x = 252,312.35 × 49,876.97
  4. Step 4: Simplify right side
    168,234.17x = 12,584,574,000.63
  5. Step 5: Solve for x
    x = 12,584,574,000.63/168,234.17
  6. Step 6: Final answer
    x = 74,803.91

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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.