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Finding the Fourth Proportional to 270,903.20, 373,859.82 and 163,471.41

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Solution

The fourth proportional to 270,903.20, 373,859.82 and 163,471.41 is: 225,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,903.20 : 373,859.82 = 163,471.41 : x
  2. Step 2: Convert to fraction form
    270,903.20/373,859.82 = 163,471.41/x
  3. Step 3: Cross multiply
    270,903.20x = 373,859.82 × 163,471.41
  4. Step 4: Simplify right side
    270,903.20x = 61,115,391,917.75
  5. Step 5: Solve for x
    x = 61,115,391,917.75/270,903.20
  6. Step 6: Final answer
    x = 225,598.64

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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.