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Finding the Fourth Proportional to 82,171.52, 113,394.38 and 46,364.86

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Solution

The fourth proportional to 82,171.52, 113,394.38 and 46,364.86 is: 63,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,171.52 : 113,394.38 = 46,364.86 : x
  2. Step 2: Convert to fraction form
    82,171.52/113,394.38 = 46,364.86/x
  3. Step 3: Cross multiply
    82,171.52x = 113,394.38 × 46,364.86
  4. Step 4: Simplify right side
    82,171.52x = 5,257,514,385.91
  5. Step 5: Solve for x
    x = 5,257,514,385.91/82,171.52
  6. Step 6: Final answer
    x = 63,982.20

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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.