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Finding the Fourth Proportional to 225,554.76, 338,226.17 and 130,811.85

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Solution

The fourth proportional to 225,554.76, 338,226.17 and 130,811.85 is: 196,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,554.76 : 338,226.17 = 130,811.85 : x
  2. Step 2: Convert to fraction form
    225,554.76/338,226.17 = 130,811.85/x
  3. Step 3: Cross multiply
    225,554.76x = 338,226.17 × 130,811.85
  4. Step 4: Simplify right side
    225,554.76x = 44,243,990,362.06
  5. Step 5: Solve for x
    x = 44,243,990,362.06/225,554.76
  6. Step 6: Final answer
    x = 196,156.31

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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.