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Finding the Fourth Proportional to 167,076.52, 250,661.04 and 77,146.68

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Solution

The fourth proportional to 167,076.52, 250,661.04 and 77,146.68 is: 115,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,076.52 : 250,661.04 = 77,146.68 : x
  2. Step 2: Convert to fraction form
    167,076.52/250,661.04 = 77,146.68/x
  3. Step 3: Cross multiply
    167,076.52x = 250,661.04 × 77,146.68
  4. Step 4: Simplify right side
    167,076.52x = 19,337,667,041.35
  5. Step 5: Solve for x
    x = 19,337,667,041.35/167,076.52
  6. Step 6: Final answer
    x = 115,741.38

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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.