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Finding the Fourth Proportional to 223,525.62, 308,449.89 and 132,876.90

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Solution

The fourth proportional to 223,525.62, 308,449.89 and 132,876.90 is: 183,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,525.62 : 308,449.89 = 132,876.90 : x
  2. Step 2: Convert to fraction form
    223,525.62/308,449.89 = 132,876.90/x
  3. Step 3: Cross multiply
    223,525.62x = 308,449.89 × 132,876.90
  4. Step 4: Simplify right side
    223,525.62x = 40,985,865,188.54
  5. Step 5: Solve for x
    x = 40,985,865,188.54/223,525.62
  6. Step 6: Final answer
    x = 183,360.93

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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.