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Finding the Fourth Proportional to 245,399.10, 368,106.83 and 67,891.24

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Solution

The fourth proportional to 245,399.10, 368,106.83 and 67,891.24 is: 101,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,399.10 : 368,106.83 = 67,891.24 : x
  2. Step 2: Convert to fraction form
    245,399.10/368,106.83 = 67,891.24/x
  3. Step 3: Cross multiply
    245,399.10x = 368,106.83 × 67,891.24
  4. Step 4: Simplify right side
    245,399.10x = 24,991,229,141.17
  5. Step 5: Solve for x
    x = 24,991,229,141.17/245,399.10
  6. Step 6: Final answer
    x = 101,839.12

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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.