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Finding the Fourth Proportional to 225,965.62, 338,950.44 and 57,486.16

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Solution

The fourth proportional to 225,965.62, 338,950.44 and 57,486.16 is: 86,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,965.62 : 338,950.44 = 57,486.16 : x
  2. Step 2: Convert to fraction form
    225,965.62/338,950.44 = 57,486.16/x
  3. Step 3: Cross multiply
    225,965.62x = 338,950.44 × 57,486.16
  4. Step 4: Simplify right side
    225,965.62x = 19,484,959,225.91
  5. Step 5: Solve for x
    x = 19,484,959,225.91/225,965.62
  6. Step 6: Final answer
    x = 86,229.75

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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.