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Finding the Fourth Proportional to 164,481.54, 246,672.65 and 85,552.71

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Solution

The fourth proportional to 164,481.54, 246,672.65 and 85,552.71 is: 128,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,481.54 : 246,672.65 = 85,552.71 : x
  2. Step 2: Convert to fraction form
    164,481.54/246,672.65 = 85,552.71/x
  3. Step 3: Cross multiply
    164,481.54x = 246,672.65 × 85,552.71
  4. Step 4: Simplify right side
    164,481.54x = 21,103,513,262.62
  5. Step 5: Solve for x
    x = 21,103,513,262.62/164,481.54
  6. Step 6: Final answer
    x = 128,303.23

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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.