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Finding the Fourth Proportional to 108,874.58, 163,272.99 and 37,778.90

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Solution

The fourth proportional to 108,874.58, 163,272.99 and 37,778.90 is: 56,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.58 : 163,272.99 = 37,778.90 : x
  2. Step 2: Convert to fraction form
    108,874.58/163,272.99 = 37,778.90/x
  3. Step 3: Cross multiply
    108,874.58x = 163,272.99 × 37,778.90
  4. Step 4: Simplify right side
    108,874.58x = 6,168,273,961.91
  5. Step 5: Solve for x
    x = 6,168,273,961.91/108,874.58
  6. Step 6: Final answer
    x = 56,654.86

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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.