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Finding the Fourth Proportional to 163,600.80, 225,693.32 and 95,620.64

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Solution

The fourth proportional to 163,600.80, 225,693.32 and 95,620.64 is: 131,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,600.80 : 225,693.32 = 95,620.64 : x
  2. Step 2: Convert to fraction form
    163,600.80/225,693.32 = 95,620.64/x
  3. Step 3: Cross multiply
    163,600.80x = 225,693.32 × 95,620.64
  4. Step 4: Simplify right side
    163,600.80x = 21,580,939,702.12
  5. Step 5: Solve for x
    x = 21,580,939,702.12/163,600.80
  6. Step 6: Final answer
    x = 131,912.19

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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.