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Finding the Fourth Proportional to 222,181.45, 333,306.73 and 72,386.87

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Solution

The fourth proportional to 222,181.45, 333,306.73 and 72,386.87 is: 108,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,181.45 : 333,306.73 = 72,386.87 : x
  2. Step 2: Convert to fraction form
    222,181.45/333,306.73 = 72,386.87/x
  3. Step 3: Cross multiply
    222,181.45x = 333,306.73 × 72,386.87
  4. Step 4: Simplify right side
    222,181.45x = 24,127,029,358.59
  5. Step 5: Solve for x
    x = 24,127,029,358.59/222,181.45
  6. Step 6: Final answer
    x = 108,591.56

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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.