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Finding the Fourth Proportional to 168,449.44, 252,731.76 and 75,020.32

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Solution

The fourth proportional to 168,449.44, 252,731.76 and 75,020.32 is: 112,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,449.44 : 252,731.76 = 75,020.32 : x
  2. Step 2: Convert to fraction form
    168,449.44/252,731.76 = 75,020.32/x
  3. Step 3: Cross multiply
    168,449.44x = 252,731.76 × 75,020.32
  4. Step 4: Simplify right side
    168,449.44x = 18,960,017,509.36
  5. Step 5: Solve for x
    x = 18,960,017,509.36/168,449.44
  6. Step 6: Final answer
    x = 112,556.13

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1.5x scale

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.