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Finding the Fourth Proportional to 68,244.83, 102,387.57 and 49,312.25

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Solution

The fourth proportional to 68,244.83, 102,387.57 and 49,312.25 is: 73,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,244.83 : 102,387.57 = 49,312.25 : x
  2. Step 2: Convert to fraction form
    68,244.83/102,387.57 = 49,312.25/x
  3. Step 3: Cross multiply
    68,244.83x = 102,387.57 × 49,312.25
  4. Step 4: Simplify right side
    68,244.83x = 5,048,961,448.73
  5. Step 5: Solve for x
    x = 5,048,961,448.73/68,244.83
  6. Step 6: Final answer
    x = 73,983.06

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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.