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Finding the Fourth Proportional to 223,690.62, 308,575.42 and 132,982.07

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Solution

The fourth proportional to 223,690.62, 308,575.42 and 132,982.07 is: 183,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,690.62 : 308,575.42 = 132,982.07 : x
  2. Step 2: Convert to fraction form
    223,690.62/308,575.42 = 132,982.07/x
  3. Step 3: Cross multiply
    223,690.62x = 308,575.42 × 132,982.07
  4. Step 4: Simplify right side
    223,690.62x = 41,034,998,102.72
  5. Step 5: Solve for x
    x = 41,034,998,102.72/223,690.62
  6. Step 6: Final answer
    x = 183,445.32

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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.