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Finding the Fourth Proportional to 83,967.10, 125,841.30 and 34,006.30

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Solution

The fourth proportional to 83,967.10, 125,841.30 and 34,006.30 is: 50,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,967.10 : 125,841.30 = 34,006.30 : x
  2. Step 2: Convert to fraction form
    83,967.10/125,841.30 = 34,006.30/x
  3. Step 3: Cross multiply
    83,967.10x = 125,841.30 × 34,006.30
  4. Step 4: Simplify right side
    83,967.10x = 4,279,397,000.19
  5. Step 5: Solve for x
    x = 4,279,397,000.19/83,967.10
  6. Step 6: Final answer
    x = 50,965.16

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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.