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Finding the Fourth Proportional to 108,108.22, 162,236.16 and 37,987.54

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Solution

The fourth proportional to 108,108.22, 162,236.16 and 37,987.54 is: 57,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,108.22 : 162,236.16 = 37,987.54 : x
  2. Step 2: Convert to fraction form
    108,108.22/162,236.16 = 37,987.54/x
  3. Step 3: Cross multiply
    108,108.22x = 162,236.16 × 37,987.54
  4. Step 4: Simplify right side
    108,108.22x = 6,162,952,617.45
  5. Step 5: Solve for x
    x = 6,162,952,617.45/108,108.22
  6. Step 6: Final answer
    x = 57,007.25

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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.