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Finding the Fourth Proportional to 64,270.74, 96,238.44 and 51,722.22

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Solution

The fourth proportional to 64,270.74, 96,238.44 and 51,722.22 is: 77,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,270.74 : 96,238.44 = 51,722.22 : x
  2. Step 2: Convert to fraction form
    64,270.74/96,238.44 = 51,722.22/x
  3. Step 3: Cross multiply
    64,270.74x = 96,238.44 × 51,722.22
  4. Step 4: Simplify right side
    64,270.74x = 4,977,665,766.14
  5. Step 5: Solve for x
    x = 4,977,665,766.14/64,270.74
  6. Step 6: Final answer
    x = 77,448.40

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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.