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Finding the Fourth Proportional to 185,198.73, 255,572.88 and 104,624.79

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Solution

The fourth proportional to 185,198.73, 255,572.88 and 104,624.79 is: 144,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,198.73 : 255,572.88 = 104,624.79 : x
  2. Step 2: Convert to fraction form
    185,198.73/255,572.88 = 104,624.79/x
  3. Step 3: Cross multiply
    185,198.73x = 255,572.88 × 104,624.79
  4. Step 4: Simplify right side
    185,198.73x = 26,739,258,899.70
  5. Step 5: Solve for x
    x = 26,739,258,899.70/185,198.73
  6. Step 6: Final answer
    x = 144,381.44

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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.