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Finding the Fourth Proportional to 222,218.58, 333,362.46 and 72,424.10

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Solution

The fourth proportional to 222,218.58, 333,362.46 and 72,424.10 is: 108,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,218.58 : 333,362.46 = 72,424.10 : x
  2. Step 2: Convert to fraction form
    222,218.58/333,362.46 = 72,424.10/x
  3. Step 3: Cross multiply
    222,218.58x = 333,362.46 × 72,424.10
  4. Step 4: Simplify right side
    222,218.58x = 24,143,476,139.29
  5. Step 5: Solve for x
    x = 24,143,476,139.29/222,218.58
  6. Step 6: Final answer
    x = 108,647.42

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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.