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Finding the Fourth Proportional to 225,966.15, 338,951.16 and 57,486.63

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Solution

The fourth proportional to 225,966.15, 338,951.16 and 57,486.63 is: 86,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,966.15 : 338,951.16 = 57,486.63 : x
  2. Step 2: Convert to fraction form
    225,966.15/338,951.16 = 57,486.63/x
  3. Step 3: Cross multiply
    225,966.15x = 338,951.16 × 57,486.63
  4. Step 4: Simplify right side
    225,966.15x = 19,485,159,922.99
  5. Step 5: Solve for x
    x = 19,485,159,922.99/225,966.15
  6. Step 6: Final answer
    x = 86,230.44

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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.