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Finding the Fourth Proportional to 348,551.20, 522,722.10 and 123,882.10

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Solution

The fourth proportional to 348,551.20, 522,722.10 and 123,882.10 is: 185,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,551.20 : 522,722.10 = 123,882.10 : x
  2. Step 2: Convert to fraction form
    348,551.20/522,722.10 = 123,882.10/x
  3. Step 3: Cross multiply
    348,551.20x = 522,722.10 × 123,882.10
  4. Step 4: Simplify right side
    348,551.20x = 64,755,911,464.41
  5. Step 5: Solve for x
    x = 64,755,911,464.41/348,551.20
  6. Step 6: Final answer
    x = 185,785.94

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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.