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Finding the Fourth Proportional to 243,324.60, 335,754.60 and 135,880.92

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Solution

The fourth proportional to 243,324.60, 335,754.60 and 135,880.92 is: 187,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,324.60 : 335,754.60 = 135,880.92 : x
  2. Step 2: Convert to fraction form
    243,324.60/335,754.60 = 135,880.92/x
  3. Step 3: Cross multiply
    243,324.60x = 335,754.60 × 135,880.92
  4. Step 4: Simplify right side
    243,324.60x = 45,622,643,942.23
  5. Step 5: Solve for x
    x = 45,622,643,942.23/243,324.60
  6. Step 6: Final answer
    x = 187,497.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.