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Finding the Fourth Proportional to 167,557.52, 250,996.80 and 77,472.20

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Solution

The fourth proportional to 167,557.52, 250,996.80 and 77,472.20 is: 116,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,557.52 : 250,996.80 = 77,472.20 : x
  2. Step 2: Convert to fraction form
    167,557.52/250,996.80 = 77,472.20/x
  3. Step 3: Cross multiply
    167,557.52x = 250,996.80 × 77,472.20
  4. Step 4: Simplify right side
    167,557.52x = 19,445,274,288.96
  5. Step 5: Solve for x
    x = 19,445,274,288.96/167,557.52
  6. Step 6: Final answer
    x = 116,051.34

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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.