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Finding the Fourth Proportional to 84,348.59, 126,525.15 and 36,939.29

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Solution

The fourth proportional to 84,348.59, 126,525.15 and 36,939.29 is: 55,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,348.59 : 126,525.15 = 36,939.29 : x
  2. Step 2: Convert to fraction form
    84,348.59/126,525.15 = 36,939.29/x
  3. Step 3: Cross multiply
    84,348.59x = 126,525.15 × 36,939.29
  4. Step 4: Simplify right side
    84,348.59x = 4,673,748,575.52
  5. Step 5: Solve for x
    x = 4,673,748,575.52/84,348.59
  6. Step 6: Final answer
    x = 55,409.92

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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.