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Finding the Fourth Proportional to 133,616.55, 200,424.69 and 54,730.92

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Solution

The fourth proportional to 133,616.55, 200,424.69 and 54,730.92 is: 82,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,616.55 : 200,424.69 = 54,730.92 : x
  2. Step 2: Convert to fraction form
    133,616.55/200,424.69 = 54,730.92/x
  3. Step 3: Cross multiply
    133,616.55x = 200,424.69 × 54,730.92
  4. Step 4: Simplify right side
    133,616.55x = 10,969,427,674.41
  5. Step 5: Solve for x
    x = 10,969,427,674.41/133,616.55
  6. Step 6: Final answer
    x = 82,096.32

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1.5x scale

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.