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Finding the Fourth Proportional to 228,402.32, 342,806.99 and 108,606.96

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Solution

The fourth proportional to 228,402.32, 342,806.99 and 108,606.96 is: 163,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,402.32 : 342,806.99 = 108,606.96 : x
  2. Step 2: Convert to fraction form
    228,402.32/342,806.99 = 108,606.96/x
  3. Step 3: Cross multiply
    228,402.32x = 342,806.99 × 108,606.96
  4. Step 4: Simplify right side
    228,402.32x = 37,231,224,507.62
  5. Step 5: Solve for x
    x = 37,231,224,507.62/228,402.32
  6. Step 6: Final answer
    x = 163,007.21

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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.