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Finding the Fourth Proportional to 270,193.64, 372,913.38 and 157,081.96

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Solution

The fourth proportional to 270,193.64, 372,913.38 and 157,081.96 is: 216,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,193.64 : 372,913.38 = 157,081.96 : x
  2. Step 2: Convert to fraction form
    270,193.64/372,913.38 = 157,081.96/x
  3. Step 3: Cross multiply
    270,193.64x = 372,913.38 × 157,081.96
  4. Step 4: Simplify right side
    270,193.64x = 58,577,964,640.62
  5. Step 5: Solve for x
    x = 58,577,964,640.62/270,193.64
  6. Step 6: Final answer
    x = 216,799.94

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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.