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Finding the Fourth Proportional to 220,473.72, 330,525.36 and 102,229.92

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Solution

The fourth proportional to 220,473.72, 330,525.36 and 102,229.92 is: 153,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,473.72 : 330,525.36 = 102,229.92 : x
  2. Step 2: Convert to fraction form
    220,473.72/330,525.36 = 102,229.92/x
  3. Step 3: Cross multiply
    220,473.72x = 330,525.36 × 102,229.92
  4. Step 4: Simplify right side
    220,473.72x = 33,789,581,110.77
  5. Step 5: Solve for x
    x = 33,789,581,110.77/220,473.72
  6. Step 6: Final answer
    x = 153,259.00

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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.