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Finding the Fourth Proportional to 168,442.92, 252,378.88 and 101,742.92

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Solution

The fourth proportional to 168,442.92, 252,378.88 and 101,742.92 is: 152,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,442.92 : 252,378.88 = 101,742.92 : x
  2. Step 2: Convert to fraction form
    168,442.92/252,378.88 = 101,742.92/x
  3. Step 3: Cross multiply
    168,442.92x = 252,378.88 × 101,742.92
  4. Step 4: Simplify right side
    168,442.92x = 25,677,764,197.53
  5. Step 5: Solve for x
    x = 25,677,764,197.53/168,442.92
  6. Step 6: Final answer
    x = 152,441.93

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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.