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Finding the Fourth Proportional to 168,791.20, 253,154.40 and 50,466.40

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Solution

The fourth proportional to 168,791.20, 253,154.40 and 50,466.40 is: 75,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,791.20 : 253,154.40 = 50,466.40 : x
  2. Step 2: Convert to fraction form
    168,791.20/253,154.40 = 50,466.40/x
  3. Step 3: Cross multiply
    168,791.20x = 253,154.40 × 50,466.40
  4. Step 4: Simplify right side
    168,791.20x = 12,775,791,212.16
  5. Step 5: Solve for x
    x = 12,775,791,212.16/168,791.20
  6. Step 6: Final answer
    x = 75,689.91

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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.