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Finding the Fourth Proportional to 303,159.48, 454,785.93 and 103,433.31

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Solution

The fourth proportional to 303,159.48, 454,785.93 and 103,433.31 is: 155,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,159.48 : 454,785.93 = 103,433.31 : x
  2. Step 2: Convert to fraction form
    303,159.48/454,785.93 = 103,433.31/x
  3. Step 3: Cross multiply
    303,159.48x = 454,785.93 × 103,433.31
  4. Step 4: Simplify right side
    303,159.48x = 47,040,014,081.33
  5. Step 5: Solve for x
    x = 47,040,014,081.33/303,159.48
  6. Step 6: Final answer
    x = 155,165.90

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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.