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Finding the Fourth Proportional to 207,363.24, 310,546.52 and 118,346.86

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Solution

The fourth proportional to 207,363.24, 310,546.52 and 118,346.86 is: 177,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,363.24 : 310,546.52 = 118,346.86 : x
  2. Step 2: Convert to fraction form
    207,363.24/310,546.52 = 118,346.86/x
  3. Step 3: Cross multiply
    207,363.24x = 310,546.52 × 118,346.86
  4. Step 4: Simplify right side
    207,363.24x = 36,752,205,525.93
  5. Step 5: Solve for x
    x = 36,752,205,525.93/207,363.24
  6. Step 6: Final answer
    x = 177,235.88

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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.