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Finding the Fourth Proportional to 225,803.19, 338,704.78 and 76,030.94

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Solution

The fourth proportional to 225,803.19, 338,704.78 and 76,030.94 is: 114,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,803.19 : 338,704.78 = 76,030.94 : x
  2. Step 2: Convert to fraction form
    225,803.19/338,704.78 = 76,030.94/x
  3. Step 3: Cross multiply
    225,803.19x = 338,704.78 × 76,030.94
  4. Step 4: Simplify right side
    225,803.19x = 25,752,041,017.33
  5. Step 5: Solve for x
    x = 25,752,041,017.33/225,803.19
  6. Step 6: Final answer
    x = 114,046.40

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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.