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Finding the Fourth Proportional to 167,372.61, 251,101.41 and 77,480.13

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Solution

The fourth proportional to 167,372.61, 251,101.41 and 77,480.13 is: 116,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,372.61 : 251,101.41 = 77,480.13 : x
  2. Step 2: Convert to fraction form
    167,372.61/251,101.41 = 77,480.13/x
  3. Step 3: Cross multiply
    167,372.61x = 251,101.41 × 77,480.13
  4. Step 4: Simplify right side
    167,372.61x = 19,455,369,889.98
  5. Step 5: Solve for x
    x = 19,455,369,889.98/167,372.61
  6. Step 6: Final answer
    x = 116,239.87

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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.