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Finding the Fourth Proportional to 119,476.53, 164,876.30 and 65,760.39

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Solution

The fourth proportional to 119,476.53, 164,876.30 and 65,760.39 is: 90,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,476.53 : 164,876.30 = 65,760.39 : x
  2. Step 2: Convert to fraction form
    119,476.53/164,876.30 = 65,760.39/x
  3. Step 3: Cross multiply
    119,476.53x = 164,876.30 × 65,760.39
  4. Step 4: Simplify right side
    119,476.53x = 10,842,328,965.38
  5. Step 5: Solve for x
    x = 10,842,328,965.38/119,476.53
  6. Step 6: Final answer
    x = 90,748.61

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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.