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Finding the Fourth Proportional to 65,147.60, 97,732.20 and 27,725.60

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Solution

The fourth proportional to 65,147.60, 97,732.20 and 27,725.60 is: 41,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,147.60 : 97,732.20 = 27,725.60 : x
  2. Step 2: Convert to fraction form
    65,147.60/97,732.20 = 27,725.60/x
  3. Step 3: Cross multiply
    65,147.60x = 97,732.20 × 27,725.60
  4. Step 4: Simplify right side
    65,147.60x = 2,709,683,884.32
  5. Step 5: Solve for x
    x = 2,709,683,884.32/65,147.60
  6. Step 6: Final answer
    x = 41,593.00

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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.