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Finding the Fourth Proportional to 68,479.44, 102,551.46 and 56,560.29

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Solution

The fourth proportional to 68,479.44, 102,551.46 and 56,560.29 is: 84,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,479.44 : 102,551.46 = 56,560.29 : x
  2. Step 2: Convert to fraction form
    68,479.44/102,551.46 = 56,560.29/x
  3. Step 3: Cross multiply
    68,479.44x = 102,551.46 × 56,560.29
  4. Step 4: Simplify right side
    68,479.44x = 5,800,340,317.52
  5. Step 5: Solve for x
    x = 5,800,340,317.52/68,479.44
  6. Step 6: Final answer
    x = 84,701.92

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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.