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Finding the Fourth Proportional to 186,044.58, 279,060.54 and 80,863.56

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Solution

The fourth proportional to 186,044.58, 279,060.54 and 80,863.56 is: 121,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,044.58 : 279,060.54 = 80,863.56 : x
  2. Step 2: Convert to fraction form
    186,044.58/279,060.54 = 80,863.56/x
  3. Step 3: Cross multiply
    186,044.58x = 279,060.54 × 80,863.56
  4. Step 4: Simplify right side
    186,044.58x = 22,565,828,719.92
  5. Step 5: Solve for x
    x = 22,565,828,719.92/186,044.58
  6. Step 6: Final answer
    x = 121,292.59

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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.