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Finding the Fourth Proportional to 225,961.65, 338,944.41 and 57,482.12

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Solution

The fourth proportional to 225,961.65, 338,944.41 and 57,482.12 is: 86,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,961.65 : 338,944.41 = 57,482.12 : x
  2. Step 2: Convert to fraction form
    225,961.65/338,944.41 = 57,482.12/x
  3. Step 3: Cross multiply
    225,961.65x = 338,944.41 × 57,482.12
  4. Step 4: Simplify right side
    225,961.65x = 19,483,244,096.31
  5. Step 5: Solve for x
    x = 19,483,244,096.31/225,961.65
  6. Step 6: Final answer
    x = 86,223.68

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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.