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Finding the Fourth Proportional to 167,387.02, 230,937.86 and 94,780.02

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Solution

The fourth proportional to 167,387.02, 230,937.86 and 94,780.02 is: 130,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,387.02 : 230,937.86 = 94,780.02 : x
  2. Step 2: Convert to fraction form
    167,387.02/230,937.86 = 94,780.02/x
  3. Step 3: Cross multiply
    167,387.02x = 230,937.86 × 94,780.02
  4. Step 4: Simplify right side
    167,387.02x = 21,888,294,989.56
  5. Step 5: Solve for x
    x = 21,888,294,989.56/167,387.02
  6. Step 6: Final answer
    x = 130,764.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.