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Finding the Fourth Proportional to 218,797.41, 328,251.49 and 61,025.87

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Solution

The fourth proportional to 218,797.41, 328,251.49 and 61,025.87 is: 91,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,797.41 : 328,251.49 = 61,025.87 : x
  2. Step 2: Convert to fraction form
    218,797.41/328,251.49 = 61,025.87/x
  3. Step 3: Cross multiply
    218,797.41x = 328,251.49 × 61,025.87
  4. Step 4: Simplify right side
    218,797.41x = 20,031,832,756.05
  5. Step 5: Solve for x
    x = 20,031,832,756.05/218,797.41
  6. Step 6: Final answer
    x = 91,554.25

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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.