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Finding the Fourth Proportional to 119,751.93, 165,250.66 and 68,752.89

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Solution

The fourth proportional to 119,751.93, 165,250.66 and 68,752.89 is: 94,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,751.93 : 165,250.66 = 68,752.89 : x
  2. Step 2: Convert to fraction form
    119,751.93/165,250.66 = 68,752.89/x
  3. Step 3: Cross multiply
    119,751.93x = 165,250.66 × 68,752.89
  4. Step 4: Simplify right side
    119,751.93x = 11,361,460,449.41
  5. Step 5: Solve for x
    x = 11,361,460,449.41/119,751.93
  6. Step 6: Final answer
    x = 94,874.97

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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.