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Finding the Fourth Proportional to 284,167.33, 426,321.61 and 84,487.39

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Solution

The fourth proportional to 284,167.33, 426,321.61 and 84,487.39 is: 126,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,167.33 : 426,321.61 = 84,487.39 : x
  2. Step 2: Convert to fraction form
    284,167.33/426,321.61 = 84,487.39/x
  3. Step 3: Cross multiply
    284,167.33x = 426,321.61 × 84,487.39
  4. Step 4: Simplify right side
    284,167.33x = 36,018,800,129.50
  5. Step 5: Solve for x
    x = 36,018,800,129.50/284,167.33
  6. Step 6: Final answer
    x = 126,752.08

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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.