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Finding the Fourth Proportional to 64,617.82, 96,910.53 and 45,843.10

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Solution

The fourth proportional to 64,617.82, 96,910.53 and 45,843.10 is: 68,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,617.82 : 96,910.53 = 45,843.10 : x
  2. Step 2: Convert to fraction form
    64,617.82/96,910.53 = 45,843.10/x
  3. Step 3: Cross multiply
    64,617.82x = 96,910.53 × 45,843.10
  4. Step 4: Simplify right side
    64,617.82x = 4,442,679,117.84
  5. Step 5: Solve for x
    x = 4,442,679,117.84/64,617.82
  6. Step 6: Final answer
    x = 68,753.16

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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.