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Finding the Fourth Proportional to 185,382.72, 255,830.17 and 108,905.04

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Solution

The fourth proportional to 185,382.72, 255,830.17 and 108,905.04 is: 150,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,382.72 : 255,830.17 = 108,905.04 : x
  2. Step 2: Convert to fraction form
    185,382.72/255,830.17 = 108,905.04/x
  3. Step 3: Cross multiply
    185,382.72x = 255,830.17 × 108,905.04
  4. Step 4: Simplify right side
    185,382.72x = 27,861,194,828.99
  5. Step 5: Solve for x
    x = 27,861,194,828.99/185,382.72
  6. Step 6: Final answer
    x = 150,290.14

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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.