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Finding the Fourth Proportional to 223,654.98, 308,391.93 and 163,118.82

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Solution

The fourth proportional to 223,654.98, 308,391.93 and 163,118.82 is: 224,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,654.98 : 308,391.93 = 163,118.82 : x
  2. Step 2: Convert to fraction form
    223,654.98/308,391.93 = 163,118.82/x
  3. Step 3: Cross multiply
    223,654.98x = 308,391.93 × 163,118.82
  4. Step 4: Simplify right side
    223,654.98x = 50,304,527,719.12
  5. Step 5: Solve for x
    x = 50,304,527,719.12/223,654.98
  6. Step 6: Final answer
    x = 224,920.22

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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.