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Finding the Fourth Proportional to 222,542.97, 333,835.04 and 72,784.09

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Solution

The fourth proportional to 222,542.97, 333,835.04 and 72,784.09 is: 109,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,542.97 : 333,835.04 = 72,784.09 : x
  2. Step 2: Convert to fraction form
    222,542.97/333,835.04 = 72,784.09/x
  3. Step 3: Cross multiply
    222,542.97x = 333,835.04 × 72,784.09
  4. Step 4: Simplify right side
    222,542.97x = 24,297,879,596.51
  5. Step 5: Solve for x
    x = 24,297,879,596.51/222,542.97
  6. Step 6: Final answer
    x = 109,182.87

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1.5x scale

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.