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Finding the Fourth Proportional to 283,626.08, 425,518.05 and 123,716

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Solution

The fourth proportional to 283,626.08, 425,518.05 and 123,716 is: 185,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,626.08 : 425,518.05 = 123,716 : x
  2. Step 2: Convert to fraction form
    283,626.08/425,518.05 = 123,716/x
  3. Step 3: Cross multiply
    283,626.08x = 425,518.05 × 123,716
  4. Step 4: Simplify right side
    283,626.08x = 52,643,391,073.80
  5. Step 5: Solve for x
    x = 52,643,391,073.80/283,626.08
  6. Step 6: Final answer
    x = 185,608.43

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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.