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Finding the Fourth Proportional to 220,807.66, 330,933.80 and 119,601.76

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Solution

The fourth proportional to 220,807.66, 330,933.80 and 119,601.76 is: 179,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,807.66 : 330,933.80 = 119,601.76 : x
  2. Step 2: Convert to fraction form
    220,807.66/330,933.80 = 119,601.76/x
  3. Step 3: Cross multiply
    220,807.66x = 330,933.80 × 119,601.76
  4. Step 4: Simplify right side
    220,807.66x = 39,580,264,923.49
  5. Step 5: Solve for x
    x = 39,580,264,923.49/220,807.66
  6. Step 6: Final answer
    x = 179,252.23

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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.