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Finding the Fourth Proportional to 117,973.80, 176,958.54 and 29,227.50

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Solution

The fourth proportional to 117,973.80, 176,958.54 and 29,227.50 is: 43,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,973.80 : 176,958.54 = 29,227.50 : x
  2. Step 2: Convert to fraction form
    117,973.80/176,958.54 = 29,227.50/x
  3. Step 3: Cross multiply
    117,973.80x = 176,958.54 × 29,227.50
  4. Step 4: Simplify right side
    117,973.80x = 5,172,055,727.85
  5. Step 5: Solve for x
    x = 5,172,055,727.85/117,973.80
  6. Step 6: Final answer
    x = 43,840.71

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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.