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Finding the Fourth Proportional to 176,141.67, 243,067.82 and 100,695.03

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Solution

The fourth proportional to 176,141.67, 243,067.82 and 100,695.03 is: 138,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,141.67 : 243,067.82 = 100,695.03 : x
  2. Step 2: Convert to fraction form
    176,141.67/243,067.82 = 100,695.03/x
  3. Step 3: Cross multiply
    176,141.67x = 243,067.82 × 100,695.03
  4. Step 4: Simplify right side
    176,141.67x = 24,475,720,923.46
  5. Step 5: Solve for x
    x = 24,475,720,923.46/176,141.67
  6. Step 6: Final answer
    x = 138,954.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.