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Finding the Fourth Proportional to 163,314.78, 225,336.78 and 95,305.02

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Solution

The fourth proportional to 163,314.78, 225,336.78 and 95,305.02 is: 131,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,314.78 : 225,336.78 = 95,305.02 : x
  2. Step 2: Convert to fraction form
    163,314.78/225,336.78 = 95,305.02/x
  3. Step 3: Cross multiply
    163,314.78x = 225,336.78 × 95,305.02
  4. Step 4: Simplify right side
    163,314.78x = 21,475,726,324.64
  5. Step 5: Solve for x
    x = 21,475,726,324.64/163,314.78
  6. Step 6: Final answer
    x = 131,498.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.