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Finding the Fourth Proportional to 167,232.56, 230,765.55 and 99,237.82

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Solution

The fourth proportional to 167,232.56, 230,765.55 and 99,237.82 is: 136,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,232.56 : 230,765.55 = 99,237.82 : x
  2. Step 2: Convert to fraction form
    167,232.56/230,765.55 = 99,237.82/x
  3. Step 3: Cross multiply
    167,232.56x = 230,765.55 × 99,237.82
  4. Step 4: Simplify right side
    167,232.56x = 22,900,670,113.10
  5. Step 5: Solve for x
    x = 22,900,670,113.10/167,232.56
  6. Step 6: Final answer
    x = 136,939.06

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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.