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Finding the Fourth Proportional to 272,057.30, 408,085.95 and 183,583.70

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Solution

The fourth proportional to 272,057.30, 408,085.95 and 183,583.70 is: 275,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,057.30 : 408,085.95 = 183,583.70 : x
  2. Step 2: Convert to fraction form
    272,057.30/408,085.95 = 183,583.70/x
  3. Step 3: Cross multiply
    272,057.30x = 408,085.95 × 183,583.70
  4. Step 4: Simplify right side
    272,057.30x = 74,917,928,619.02
  5. Step 5: Solve for x
    x = 74,917,928,619.02/272,057.30
  6. Step 6: Final answer
    x = 275,375.55

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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.