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Finding the Fourth Proportional to 73,905.48, 110,681.16 and 53,861.22

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Solution

The fourth proportional to 73,905.48, 110,681.16 and 53,861.22 is: 80,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,905.48 : 110,681.16 = 53,861.22 : x
  2. Step 2: Convert to fraction form
    73,905.48/110,681.16 = 53,861.22/x
  3. Step 3: Cross multiply
    73,905.48x = 110,681.16 × 53,861.22
  4. Step 4: Simplify right side
    73,905.48x = 5,961,422,308.62
  5. Step 5: Solve for x
    x = 5,961,422,308.62/73,905.48
  6. Step 6: Final answer
    x = 80,662.79

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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.