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Finding the Fourth Proportional to 68,722.26, 102,995.30 and 59,800.51

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Solution

The fourth proportional to 68,722.26, 102,995.30 and 59,800.51 is: 89,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.26 : 102,995.30 = 59,800.51 : x
  2. Step 2: Convert to fraction form
    68,722.26/102,995.30 = 59,800.51/x
  3. Step 3: Cross multiply
    68,722.26x = 102,995.30 × 59,800.51
  4. Step 4: Simplify right side
    68,722.26x = 6,159,171,467.60
  5. Step 5: Solve for x
    x = 6,159,171,467.60/68,722.26
  6. Step 6: Final answer
    x = 89,624.11

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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.