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Finding the Fourth Proportional to 303,345.90, 454,982.40 and 125,834.40

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Solution

The fourth proportional to 303,345.90, 454,982.40 and 125,834.40 is: 188,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,345.90 : 454,982.40 = 125,834.40 : x
  2. Step 2: Convert to fraction form
    303,345.90/454,982.40 = 125,834.40/x
  3. Step 3: Cross multiply
    303,345.90x = 454,982.40 × 125,834.40
  4. Step 4: Simplify right side
    303,345.90x = 57,252,437,314.56
  5. Step 5: Solve for x
    x = 57,252,437,314.56/303,345.90
  6. Step 6: Final answer
    x = 188,736.48

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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.