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Finding the Fourth Proportional to 123,732.48, 185,627.52 and 40,621.44

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Solution

The fourth proportional to 123,732.48, 185,627.52 and 40,621.44 is: 60,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,732.48 : 185,627.52 = 40,621.44 : x
  2. Step 2: Convert to fraction form
    123,732.48/185,627.52 = 40,621.44/x
  3. Step 3: Cross multiply
    123,732.48x = 185,627.52 × 40,621.44
  4. Step 4: Simplify right side
    123,732.48x = 7,540,457,166.03
  5. Step 5: Solve for x
    x = 7,540,457,166.03/123,732.48
  6. Step 6: Final answer
    x = 60,941.62

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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.