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Finding the Fourth Proportional to 119,065.43, 178,606.79 and 35,965.91

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Solution

The fourth proportional to 119,065.43, 178,606.79 and 35,965.91 is: 53,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,065.43 : 178,606.79 = 35,965.91 : x
  2. Step 2: Convert to fraction form
    119,065.43/178,606.79 = 35,965.91/x
  3. Step 3: Cross multiply
    119,065.43x = 178,606.79 × 35,965.91
  4. Step 4: Simplify right side
    119,065.43x = 6,423,755,554.70
  5. Step 5: Solve for x
    x = 6,423,755,554.70/119,065.43
  6. Step 6: Final answer
    x = 53,951.47

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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.