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Finding the Fourth Proportional to 168,521.16, 252,828.98 and 73,759.60

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Solution

The fourth proportional to 168,521.16, 252,828.98 and 73,759.60 is: 110,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,521.16 : 252,828.98 = 73,759.60 : x
  2. Step 2: Convert to fraction form
    168,521.16/252,828.98 = 73,759.60/x
  3. Step 3: Cross multiply
    168,521.16x = 252,828.98 × 73,759.60
  4. Step 4: Simplify right side
    168,521.16x = 18,648,564,433.21
  5. Step 5: Solve for x
    x = 18,648,564,433.21/168,521.16
  6. Step 6: Final answer
    x = 110,660.08

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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.