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Finding the Fourth Proportional to 119,404.65, 164,801.96 and 68,451.59

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Solution

The fourth proportional to 119,404.65, 164,801.96 and 68,451.59 is: 94,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,404.65 : 164,801.96 = 68,451.59 : x
  2. Step 2: Convert to fraction form
    119,404.65/164,801.96 = 68,451.59/x
  3. Step 3: Cross multiply
    119,404.65x = 164,801.96 × 68,451.59
  4. Step 4: Simplify right side
    119,404.65x = 11,280,956,197.12
  5. Step 5: Solve for x
    x = 11,280,956,197.12/119,404.65
  6. Step 6: Final answer
    x = 94,476.69

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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.