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Finding the Fourth Proportional to 283,494.66, 425,234.21 and 123,570.50

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Solution

The fourth proportional to 283,494.66, 425,234.21 and 123,570.50 is: 185,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,494.66 : 425,234.21 = 123,570.50 : x
  2. Step 2: Convert to fraction form
    283,494.66/425,234.21 = 123,570.50/x
  3. Step 3: Cross multiply
    283,494.66x = 425,234.21 × 123,570.50
  4. Step 4: Simplify right side
    283,494.66x = 52,546,401,202.78
  5. Step 5: Solve for x
    x = 52,546,401,202.78/283,494.66
  6. Step 6: Final answer
    x = 185,352.35

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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.