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Finding the Fourth Proportional to 303,191.10, 454,694.16 and 125,656.38

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Solution

The fourth proportional to 303,191.10, 454,694.16 and 125,656.38 is: 188,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,191.10 : 454,694.16 = 125,656.38 : x
  2. Step 2: Convert to fraction form
    303,191.10/454,694.16 = 125,656.38/x
  3. Step 3: Cross multiply
    303,191.10x = 454,694.16 × 125,656.38
  4. Step 4: Simplify right side
    303,191.10x = 57,135,222,152.74
  5. Step 5: Solve for x
    x = 57,135,222,152.74/303,191.10
  6. Step 6: Final answer
    x = 188,446.24

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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.