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Finding the Fourth Proportional to 117,860.88, 176,791.80 and 47,741.52

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Solution

The fourth proportional to 117,860.88, 176,791.80 and 47,741.52 is: 71,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,860.88 : 176,791.80 = 47,741.52 : x
  2. Step 2: Convert to fraction form
    117,860.88/176,791.80 = 47,741.52/x
  3. Step 3: Cross multiply
    117,860.88x = 176,791.80 × 47,741.52
  4. Step 4: Simplify right side
    117,860.88x = 8,440,309,255.54
  5. Step 5: Solve for x
    x = 8,440,309,255.54/117,860.88
  6. Step 6: Final answer
    x = 71,612.47

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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.