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Finding the Fourth Proportional to 119,486.34, 164,854.04 and 67,794.89

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Solution

The fourth proportional to 119,486.34, 164,854.04 and 67,794.89 is: 93,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,486.34 : 164,854.04 = 67,794.89 : x
  2. Step 2: Convert to fraction form
    119,486.34/164,854.04 = 67,794.89/x
  3. Step 3: Cross multiply
    119,486.34x = 164,854.04 × 67,794.89
  4. Step 4: Simplify right side
    119,486.34x = 11,176,260,344.61
  5. Step 5: Solve for x
    x = 11,176,260,344.61/119,486.34
  6. Step 6: Final answer
    x = 93,535.88

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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.