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Finding the Fourth Proportional to 303,062.60, 454,550.70 and 103,392.20

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Solution

The fourth proportional to 303,062.60, 454,550.70 and 103,392.20 is: 155,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,062.60 : 454,550.70 = 103,392.20 : x
  2. Step 2: Convert to fraction form
    303,062.60/454,550.70 = 103,392.20/x
  3. Step 3: Cross multiply
    303,062.60x = 454,550.70 × 103,392.20
  4. Step 4: Simplify right side
    303,062.60x = 46,996,996,884.54
  5. Step 5: Solve for x
    x = 46,996,996,884.54/303,062.60
  6. Step 6: Final answer
    x = 155,073.56

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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.