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Finding the Fourth Proportional to 108,997.97, 163,538.48 and 37,928.51

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Solution

The fourth proportional to 108,997.97, 163,538.48 and 37,928.51 is: 56,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,997.97 : 163,538.48 = 37,928.51 : x
  2. Step 2: Convert to fraction form
    108,997.97/163,538.48 = 37,928.51/x
  3. Step 3: Cross multiply
    108,997.97x = 163,538.48 × 37,928.51
  4. Step 4: Simplify right side
    108,997.97x = 6,202,770,874.06
  5. Step 5: Solve for x
    x = 6,202,770,874.06/108,997.97
  6. Step 6: Final answer
    x = 56,907.21

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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.