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Finding the Fourth Proportional to 67,687.36, 101,541.92 and 23,303.20

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Solution

The fourth proportional to 67,687.36, 101,541.92 and 23,303.20 is: 34,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,687.36 : 101,541.92 = 23,303.20 : x
  2. Step 2: Convert to fraction form
    67,687.36/101,541.92 = 23,303.20/x
  3. Step 3: Cross multiply
    67,687.36x = 101,541.92 × 23,303.20
  4. Step 4: Simplify right side
    67,687.36x = 2,366,251,670.14
  5. Step 5: Solve for x
    x = 2,366,251,670.14/67,687.36
  6. Step 6: Final answer
    x = 34,958.55

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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.