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Finding the Fourth Proportional to 225,982.95, 311,855.61 and 124,010.12

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Solution

The fourth proportional to 225,982.95, 311,855.61 and 124,010.12 is: 171,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,982.95 : 311,855.61 = 124,010.12 : x
  2. Step 2: Convert to fraction form
    225,982.95/311,855.61 = 124,010.12/x
  3. Step 3: Cross multiply
    225,982.95x = 311,855.61 × 124,010.12
  4. Step 4: Simplify right side
    225,982.95x = 38,673,250,059.50
  5. Step 5: Solve for x
    x = 38,673,250,059.50/225,982.95
  6. Step 6: Final answer
    x = 171,133.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.