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Finding the Fourth Proportional to 366,959.72, 550,440.06 and 100,723.88

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Solution

The fourth proportional to 366,959.72, 550,440.06 and 100,723.88 is: 151,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,959.72 : 550,440.06 = 100,723.88 : x
  2. Step 2: Convert to fraction form
    366,959.72/550,440.06 = 100,723.88/x
  3. Step 3: Cross multiply
    366,959.72x = 550,440.06 × 100,723.88
  4. Step 4: Simplify right side
    366,959.72x = 55,442,458,550.63
  5. Step 5: Solve for x
    x = 55,442,458,550.63/366,959.72
  6. Step 6: Final answer
    x = 151,085.95

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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.