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Finding the Fourth Proportional to 223,019.91, 307,627.52 and 132,311.66

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Solution

The fourth proportional to 223,019.91, 307,627.52 and 132,311.66 is: 182,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,019.91 : 307,627.52 = 132,311.66 : x
  2. Step 2: Convert to fraction form
    223,019.91/307,627.52 = 132,311.66/x
  3. Step 3: Cross multiply
    223,019.91x = 307,627.52 × 132,311.66
  4. Step 4: Simplify right side
    223,019.91x = 40,702,705,633.19
  5. Step 5: Solve for x
    x = 40,702,705,633.19/223,019.91
  6. Step 6: Final answer
    x = 182,507.05

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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.