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Finding the Fourth Proportional to 568,041.40, 852,062.10 and 168,743.80

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Solution

The fourth proportional to 568,041.40, 852,062.10 and 168,743.80 is: 253,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,041.40 : 852,062.10 = 168,743.80 : x
  2. Step 2: Convert to fraction form
    568,041.40/852,062.10 = 168,743.80/x
  3. Step 3: Cross multiply
    568,041.40x = 852,062.10 × 168,743.80
  4. Step 4: Simplify right side
    568,041.40x = 143,780,196,589.98
  5. Step 5: Solve for x
    x = 143,780,196,589.98/568,041.40
  6. Step 6: Final answer
    x = 253,115.70

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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.