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Finding the Fourth Proportional to 228,399.92, 342,403.16 and 109,908.24

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Solution

The fourth proportional to 228,399.92, 342,403.16 and 109,908.24 is: 164,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,399.92 : 342,403.16 = 109,908.24 : x
  2. Step 2: Convert to fraction form
    228,399.92/342,403.16 = 109,908.24/x
  3. Step 3: Cross multiply
    228,399.92x = 342,403.16 × 109,908.24
  4. Step 4: Simplify right side
    228,399.92x = 37,632,928,686.04
  5. Step 5: Solve for x
    x = 37,632,928,686.04/228,399.92
  6. Step 6: Final answer
    x = 164,767.70

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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.