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Finding the Fourth Proportional to 270,799.25, 373,715.80 and 163,366.98

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Solution

The fourth proportional to 270,799.25, 373,715.80 and 163,366.98 is: 225,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,799.25 : 373,715.80 = 163,366.98 : x
  2. Step 2: Convert to fraction form
    270,799.25/373,715.80 = 163,366.98/x
  3. Step 3: Cross multiply
    270,799.25x = 373,715.80 × 163,366.98
  4. Step 4: Simplify right side
    270,799.25x = 61,052,821,624.28
  5. Step 5: Solve for x
    x = 61,052,821,624.28/270,799.25
  6. Step 6: Final answer
    x = 225,454.18

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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.