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Finding the Fourth Proportional to 283,750.65, 425,688.24 and 84,086.66

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Solution

The fourth proportional to 283,750.65, 425,688.24 and 84,086.66 is: 126,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,750.65 : 425,688.24 = 84,086.66 : x
  2. Step 2: Convert to fraction form
    283,750.65/425,688.24 = 84,086.66/x
  3. Step 3: Cross multiply
    283,750.65x = 425,688.24 × 84,086.66
  4. Step 4: Simplify right side
    283,750.65x = 35,794,702,302.88
  5. Step 5: Solve for x
    x = 35,794,702,302.88/283,750.65
  6. Step 6: Final answer
    x = 126,148.44

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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.