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Finding the Fourth Proportional to 83,246.40, 114,879.86 and 45,005.96

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Solution

The fourth proportional to 83,246.40, 114,879.86 and 45,005.96 is: 62,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,246.40 : 114,879.86 = 45,005.96 : x
  2. Step 2: Convert to fraction form
    83,246.40/114,879.86 = 45,005.96/x
  3. Step 3: Cross multiply
    83,246.40x = 114,879.86 × 45,005.96
  4. Step 4: Simplify right side
    83,246.40x = 5,170,278,383.97
  5. Step 5: Solve for x
    x = 5,170,278,383.97/83,246.40
  6. Step 6: Final answer
    x = 62,108.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.