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Finding the Fourth Proportional to 303,207.96, 454,362.62 and 123,074.19

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Solution

The fourth proportional to 303,207.96, 454,362.62 and 123,074.19 is: 184,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,207.96 : 454,362.62 = 123,074.19 : x
  2. Step 2: Convert to fraction form
    303,207.96/454,362.62 = 123,074.19/x
  3. Step 3: Cross multiply
    303,207.96x = 454,362.62 × 123,074.19
  4. Step 4: Simplify right side
    303,207.96x = 55,920,311,422.78
  5. Step 5: Solve for x
    x = 55,920,311,422.78/303,207.96
  6. Step 6: Final answer
    x = 184,428.90

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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.