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Finding the Fourth Proportional to 223,476.82, 308,353.89 and 125,363.32

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Solution

The fourth proportional to 223,476.82, 308,353.89 and 125,363.32 is: 172,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,476.82 : 308,353.89 = 125,363.32 : x
  2. Step 2: Convert to fraction form
    223,476.82/308,353.89 = 125,363.32/x
  3. Step 3: Cross multiply
    223,476.82x = 308,353.89 × 125,363.32
  4. Step 4: Simplify right side
    223,476.82x = 38,656,267,084.54
  5. Step 5: Solve for x
    x = 38,656,267,084.54/223,476.82
  6. Step 6: Final answer
    x = 172,976.63

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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.