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Finding the Fourth Proportional to 223,704.88, 335,557.23 and 81,560.80

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Solution

The fourth proportional to 223,704.88, 335,557.23 and 81,560.80 is: 122,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,704.88 : 335,557.23 = 81,560.80 : x
  2. Step 2: Convert to fraction form
    223,704.88/335,557.23 = 81,560.80/x
  3. Step 3: Cross multiply
    223,704.88x = 335,557.23 × 81,560.80
  4. Step 4: Simplify right side
    223,704.88x = 27,368,316,124.58
  5. Step 5: Solve for x
    x = 27,368,316,124.58/223,704.88
  6. Step 6: Final answer
    x = 122,341.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.