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Finding the Fourth Proportional to 220,435.80, 304,192.94 and 119,833.80

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Solution

The fourth proportional to 220,435.80, 304,192.94 and 119,833.80 is: 165,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,435.80 : 304,192.94 = 119,833.80 : x
  2. Step 2: Convert to fraction form
    220,435.80/304,192.94 = 119,833.80/x
  3. Step 3: Cross multiply
    220,435.80x = 304,192.94 × 119,833.80
  4. Step 4: Simplify right side
    220,435.80x = 36,452,595,933.37
  5. Step 5: Solve for x
    x = 36,452,595,933.37/220,435.80
  6. Step 6: Final answer
    x = 165,366.04

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1.5x scale

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.