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Finding the Fourth Proportional to 167,956.52, 251,594.58 and 77,872.37

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Solution

The fourth proportional to 167,956.52, 251,594.58 and 77,872.37 is: 116,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,956.52 : 251,594.58 = 77,872.37 : x
  2. Step 2: Convert to fraction form
    167,956.52/251,594.58 = 77,872.37/x
  3. Step 3: Cross multiply
    167,956.52x = 251,594.58 × 77,872.37
  4. Step 4: Simplify right side
    167,956.52x = 19,592,266,223.75
  5. Step 5: Solve for x
    x = 19,592,266,223.75/167,956.52
  6. Step 6: Final answer
    x = 116,650.82

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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.