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Finding the Fourth Proportional to 163,452.88, 225,564.11 and 91,832.27

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Solution

The fourth proportional to 163,452.88, 225,564.11 and 91,832.27 is: 126,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,452.88 : 225,564.11 = 91,832.27 : x
  2. Step 2: Convert to fraction form
    163,452.88/225,564.11 = 91,832.27/x
  3. Step 3: Cross multiply
    163,452.88x = 225,564.11 × 91,832.27
  4. Step 4: Simplify right side
    163,452.88x = 20,714,065,045.32
  5. Step 5: Solve for x
    x = 20,714,065,045.32/163,452.88
  6. Step 6: Final answer
    x = 126,728.05

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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.