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Finding the Fourth Proportional to 218,565.56, 301,634.36 and 132,532.76

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Solution

The fourth proportional to 218,565.56, 301,634.36 and 132,532.76 is: 182,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,565.56 : 301,634.36 = 132,532.76 : x
  2. Step 2: Convert to fraction form
    218,565.56/301,634.36 = 132,532.76/x
  3. Step 3: Cross multiply
    218,565.56x = 301,634.36 × 132,532.76
  4. Step 4: Simplify right side
    218,565.56x = 39,976,434,241.63
  5. Step 5: Solve for x
    x = 39,976,434,241.63/218,565.56
  6. Step 6: Final answer
    x = 182,903.63

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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.