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Finding the Fourth Proportional to 123,246.11, 184,869.17 and 40,140.11

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Solution

The fourth proportional to 123,246.11, 184,869.17 and 40,140.11 is: 60,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,246.11 : 184,869.17 = 40,140.11 : x
  2. Step 2: Convert to fraction form
    123,246.11/184,869.17 = 40,140.11/x
  3. Step 3: Cross multiply
    123,246.11x = 184,869.17 × 40,140.11
  4. Step 4: Simplify right side
    123,246.11x = 7,420,667,694.36
  5. Step 5: Solve for x
    x = 7,420,667,694.36/123,246.11
  6. Step 6: Final answer
    x = 60,210.16

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Similar ratio
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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.