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Finding the Fourth Proportional to 64,272.62, 96,241.25 and 51,724.10

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Solution

The fourth proportional to 64,272.62, 96,241.25 and 51,724.10 is: 77,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272.62 : 96,241.25 = 51,724.10 : x
  2. Step 2: Convert to fraction form
    64,272.62/96,241.25 = 51,724.10/x
  3. Step 3: Cross multiply
    64,272.62x = 96,241.25 × 51,724.10
  4. Step 4: Simplify right side
    64,272.62x = 4,977,991,687.23
  5. Step 5: Solve for x
    x = 4,977,991,687.23/64,272.62
  6. Step 6: Final answer
    x = 77,451.21

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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.