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Finding the Fourth Proportional to 127,693.16, 191,574.30 and 44,593.64

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Solution

The fourth proportional to 127,693.16, 191,574.30 and 44,593.64 is: 66,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,693.16 : 191,574.30 = 44,593.64 : x
  2. Step 2: Convert to fraction form
    127,693.16/191,574.30 = 44,593.64/x
  3. Step 3: Cross multiply
    127,693.16x = 191,574.30 × 44,593.64
  4. Step 4: Simplify right side
    127,693.16x = 8,542,995,367.45
  5. Step 5: Solve for x
    x = 8,542,995,367.45/127,693.16
  6. Step 6: Final answer
    x = 66,902.53

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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.