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Finding the Fourth Proportional to 207,326.24, 310,491.02 and 118,309.86

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Solution

The fourth proportional to 207,326.24, 310,491.02 and 118,309.86 is: 177,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,326.24 : 310,491.02 = 118,309.86 : x
  2. Step 2: Convert to fraction form
    207,326.24/310,491.02 = 118,309.86/x
  3. Step 3: Cross multiply
    207,326.24x = 310,491.02 × 118,309.86
  4. Step 4: Simplify right side
    207,326.24x = 36,734,149,107.46
  5. Step 5: Solve for x
    x = 36,734,149,107.46/207,326.24
  6. Step 6: Final answer
    x = 177,180.41

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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.