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Finding the Fourth Proportional to 67,896.60, 101,844.90 and 64,008.60

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Solution

The fourth proportional to 67,896.60, 101,844.90 and 64,008.60 is: 96,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896.60 : 101,844.90 = 64,008.60 : x
  2. Step 2: Convert to fraction form
    67,896.60/101,844.90 = 64,008.60/x
  3. Step 3: Cross multiply
    67,896.60x = 101,844.90 × 64,008.60
  4. Step 4: Simplify right side
    67,896.60x = 6,518,949,466.14
  5. Step 5: Solve for x
    x = 6,518,949,466.14/67,896.60
  6. Step 6: Final answer
    x = 96,012.90

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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.