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Finding the Fourth Proportional to 222,036.24, 332,979.12 and 72,239.52

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Solution

The fourth proportional to 222,036.24, 332,979.12 and 72,239.52 is: 108,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,036.24 : 332,979.12 = 72,239.52 : x
  2. Step 2: Convert to fraction form
    222,036.24/332,979.12 = 72,239.52/x
  3. Step 3: Cross multiply
    222,036.24x = 332,979.12 × 72,239.52
  4. Step 4: Simplify right side
    222,036.24x = 24,054,251,798.82
  5. Step 5: Solve for x
    x = 24,054,251,798.82/222,036.24
  6. Step 6: Final answer
    x = 108,334.80

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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.