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Finding the Fourth Proportional to 163,645.77, 225,804.81 and 92,021.52

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Solution

The fourth proportional to 163,645.77, 225,804.81 and 92,021.52 is: 126,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,645.77 : 225,804.81 = 92,021.52 : x
  2. Step 2: Convert to fraction form
    163,645.77/225,804.81 = 92,021.52/x
  3. Step 3: Cross multiply
    163,645.77x = 225,804.81 × 92,021.52
  4. Step 4: Simplify right side
    163,645.77x = 20,778,901,761.21
  5. Step 5: Solve for x
    x = 20,778,901,761.21/163,645.77
  6. Step 6: Final answer
    x = 126,974.88

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1.5x scale

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.