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Finding the Fourth Proportional to 167,955.27, 251,592.71 and 77,871.12

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Solution

The fourth proportional to 167,955.27, 251,592.71 and 77,871.12 is: 116,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,955.27 : 251,592.71 = 77,871.12 : x
  2. Step 2: Convert to fraction form
    167,955.27/251,592.71 = 77,871.12/x
  3. Step 3: Cross multiply
    167,955.27x = 251,592.71 × 77,871.12
  4. Step 4: Simplify right side
    167,955.27x = 19,591,805,722.18
  5. Step 5: Solve for x
    x = 19,591,805,722.18/167,955.27
  6. Step 6: Final answer
    x = 116,648.95

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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.