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Finding the Fourth Proportional to 110,146.67, 165,217.10 and 31,260.90

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Solution

The fourth proportional to 110,146.67, 165,217.10 and 31,260.90 is: 46,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,146.67 : 165,217.10 = 31,260.90 : x
  2. Step 2: Convert to fraction form
    110,146.67/165,217.10 = 31,260.90/x
  3. Step 3: Cross multiply
    110,146.67x = 165,217.10 × 31,260.90
  4. Step 4: Simplify right side
    110,146.67x = 5,164,835,085.09
  5. Step 5: Solve for x
    x = 5,164,835,085.09/110,146.67
  6. Step 6: Final answer
    x = 46,890.53

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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.