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Finding the Fourth Proportional to 67,992.90, 101,990.52 and 23,621.10

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Solution

The fourth proportional to 67,992.90, 101,990.52 and 23,621.10 is: 35,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,992.90 : 101,990.52 = 23,621.10 : x
  2. Step 2: Convert to fraction form
    67,992.90/101,990.52 = 23,621.10/x
  3. Step 3: Cross multiply
    67,992.90x = 101,990.52 × 23,621.10
  4. Step 4: Simplify right side
    67,992.90x = 2,409,128,271.97
  5. Step 5: Solve for x
    x = 2,409,128,271.97/67,992.90
  6. Step 6: Final answer
    x = 35,432.06

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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.