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Finding the Fourth Proportional to 108,745.76, 163,133.84 and 33,871.32

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Solution

The fourth proportional to 108,745.76, 163,133.84 and 33,871.32 is: 50,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,745.76 : 163,133.84 = 33,871.32 : x
  2. Step 2: Convert to fraction form
    108,745.76/163,133.84 = 33,871.32/x
  3. Step 3: Cross multiply
    108,745.76x = 163,133.84 × 33,871.32
  4. Step 4: Simplify right side
    108,745.76x = 5,525,558,497.47
  5. Step 5: Solve for x
    x = 5,525,558,497.47/108,745.76
  6. Step 6: Final answer
    x = 50,811.71

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1.5x scale

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.