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Finding the Fourth Proportional to 220,427.52, 330,443.10 and 80,088

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Solution

The fourth proportional to 220,427.52, 330,443.10 and 80,088 is: 120,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,427.52 : 330,443.10 = 80,088 : x
  2. Step 2: Convert to fraction form
    220,427.52/330,443.10 = 80,088/x
  3. Step 3: Cross multiply
    220,427.52x = 330,443.10 × 80,088
  4. Step 4: Simplify right side
    220,427.52x = 26,464,526,992.80
  5. Step 5: Solve for x
    x = 26,464,526,992.80/220,427.52
  6. Step 6: Final answer
    x = 120,060.00

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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.