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Finding the Fourth Proportional to 108,853.92, 163,286.96 and 33,984.41

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Solution

The fourth proportional to 108,853.92, 163,286.96 and 33,984.41 is: 50,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,853.92 : 163,286.96 = 33,984.41 : x
  2. Step 2: Convert to fraction form
    108,853.92/163,286.96 = 33,984.41/x
  3. Step 3: Cross multiply
    108,853.92x = 163,286.96 × 33,984.41
  4. Step 4: Simplify right side
    108,853.92x = 5,549,210,009.94
  5. Step 5: Solve for x
    x = 5,549,210,009.94/108,853.92
  6. Step 6: Final answer
    x = 50,978.50

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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.