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Finding the Fourth Proportional to 262,175.43, 393,013.98 and 167,138.90

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Solution

The fourth proportional to 262,175.43, 393,013.98 and 167,138.90 is: 250,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,175.43 : 393,013.98 = 167,138.90 : x
  2. Step 2: Convert to fraction form
    262,175.43/393,013.98 = 167,138.90/x
  3. Step 3: Cross multiply
    262,175.43x = 393,013.98 × 167,138.90
  4. Step 4: Simplify right side
    262,175.43x = 65,687,922,336.75
  5. Step 5: Solve for x
    x = 65,687,922,336.75/262,175.43
  6. Step 6: Final answer
    x = 250,549.50

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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.