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Finding the Fourth Proportional to 113,339.92, 170,007.96 and 39,466

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Solution

The fourth proportional to 113,339.92, 170,007.96 and 39,466 is: 59,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,339.92 : 170,007.96 = 39,466 : x
  2. Step 2: Convert to fraction form
    113,339.92/170,007.96 = 39,466/x
  3. Step 3: Cross multiply
    113,339.92x = 170,007.96 × 39,466
  4. Step 4: Simplify right side
    113,339.92x = 6,709,534,149.36
  5. Step 5: Solve for x
    x = 6,709,534,149.36/113,339.92
  6. Step 6: Final answer
    x = 59,198.33

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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.