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Finding the Fourth Proportional to 117,600.30, 176,327.55 and 67,655.70

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Solution

The fourth proportional to 117,600.30, 176,327.55 and 67,655.70 is: 101,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,600.30 : 176,327.55 = 67,655.70 : x
  2. Step 2: Convert to fraction form
    117,600.30/176,327.55 = 67,655.70/x
  3. Step 3: Cross multiply
    117,600.30x = 176,327.55 × 67,655.70
  4. Step 4: Simplify right side
    117,600.30x = 11,929,563,824.54
  5. Step 5: Solve for x
    x = 11,929,563,824.54/117,600.30
  6. Step 6: Final answer
    x = 101,441.61

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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.