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Finding the Fourth Proportional to 84,042.69, 126,101.16 and 44,052.10

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Solution

The fourth proportional to 84,042.69, 126,101.16 and 44,052.10 is: 66,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,042.69 : 126,101.16 = 44,052.10 : x
  2. Step 2: Convert to fraction form
    84,042.69/126,101.16 = 44,052.10/x
  3. Step 3: Cross multiply
    84,042.69x = 126,101.16 × 44,052.10
  4. Step 4: Simplify right side
    84,042.69x = 5,555,020,595.18
  5. Step 5: Solve for x
    x = 5,555,020,595.18/84,042.69
  6. Step 6: Final answer
    x = 66,097.61

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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.