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Finding the Fourth Proportional to 223,763.32, 308,793.37 and 123,161.32

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Solution

The fourth proportional to 223,763.32, 308,793.37 and 123,161.32 is: 169,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,763.32 : 308,793.37 = 123,161.32 : x
  2. Step 2: Convert to fraction form
    223,763.32/308,793.37 = 123,161.32/x
  3. Step 3: Cross multiply
    223,763.32x = 308,793.37 × 123,161.32
  4. Step 4: Simplify right side
    223,763.32x = 38,031,399,056.45
  5. Step 5: Solve for x
    x = 38,031,399,056.45/223,763.32
  6. Step 6: Final answer
    x = 169,962.62

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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.