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Finding the Fourth Proportional to 117,991.84, 176,985.56 and 29,245.52

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Solution

The fourth proportional to 117,991.84, 176,985.56 and 29,245.52 is: 43,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,991.84 : 176,985.56 = 29,245.52 : x
  2. Step 2: Convert to fraction form
    117,991.84/176,985.56 = 29,245.52/x
  3. Step 3: Cross multiply
    117,991.84x = 176,985.56 × 29,245.52
  4. Step 4: Simplify right side
    117,991.84x = 5,176,034,734.69
  5. Step 5: Solve for x
    x = 5,176,034,734.69/117,991.84
  6. Step 6: Final answer
    x = 43,867.73

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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.