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Finding the Fourth Proportional to 168,108.60, 252,162.90 and 62,913.90

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Solution

The fourth proportional to 168,108.60, 252,162.90 and 62,913.90 is: 94,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,108.60 : 252,162.90 = 62,913.90 : x
  2. Step 2: Convert to fraction form
    168,108.60/252,162.90 = 62,913.90/x
  3. Step 3: Cross multiply
    168,108.60x = 252,162.90 × 62,913.90
  4. Step 4: Simplify right side
    168,108.60x = 15,864,551,474.31
  5. Step 5: Solve for x
    x = 15,864,551,474.31/168,108.60
  6. Step 6: Final answer
    x = 94,370.85

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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.