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Finding the Fourth Proportional to 167,364.36, 251,089.03 and 77,471.87

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Solution

The fourth proportional to 167,364.36, 251,089.03 and 77,471.87 is: 116,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,364.36 : 251,089.03 = 77,471.87 : x
  2. Step 2: Convert to fraction form
    167,364.36/251,089.03 = 77,471.87/x
  3. Step 3: Cross multiply
    167,364.36x = 251,089.03 × 77,471.87
  4. Step 4: Simplify right side
    167,364.36x = 19,452,337,124.63
  5. Step 5: Solve for x
    x = 19,452,337,124.63/167,364.36
  6. Step 6: Final answer
    x = 116,227.47

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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.