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Finding the Fourth Proportional to 228,404.32, 342,809.99 and 108,608.96

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Solution

The fourth proportional to 228,404.32, 342,809.99 and 108,608.96 is: 163,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,404.32 : 342,809.99 = 108,608.96 : x
  2. Step 2: Convert to fraction form
    228,404.32/342,809.99 = 108,608.96/x
  3. Step 3: Cross multiply
    228,404.32x = 342,809.99 × 108,608.96
  4. Step 4: Simplify right side
    228,404.32x = 37,232,236,491.51
  5. Step 5: Solve for x
    x = 37,232,236,491.51/228,404.32
  6. Step 6: Final answer
    x = 163,010.21

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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.