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Finding the Fourth Proportional to 64,185.99, 96,281.17 and 22,065.70

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Solution

The fourth proportional to 64,185.99, 96,281.17 and 22,065.70 is: 33,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,185.99 : 96,281.17 = 22,065.70 : x
  2. Step 2: Convert to fraction form
    64,185.99/96,281.17 = 22,065.70/x
  3. Step 3: Cross multiply
    64,185.99x = 96,281.17 × 22,065.70
  4. Step 4: Simplify right side
    64,185.99x = 2,124,511,412.87
  5. Step 5: Solve for x
    x = 2,124,511,412.87/64,185.99
  6. Step 6: Final answer
    x = 33,099.30

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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.