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Finding the Fourth Proportional to 108,789.73, 163,147.64 and 37,695.78

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Solution

The fourth proportional to 108,789.73, 163,147.64 and 37,695.78 is: 56,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,789.73 : 163,147.64 = 37,695.78 : x
  2. Step 2: Convert to fraction form
    108,789.73/163,147.64 = 37,695.78/x
  3. Step 3: Cross multiply
    108,789.73x = 163,147.64 × 37,695.78
  4. Step 4: Simplify right side
    108,789.73x = 6,149,977,544.96
  5. Step 5: Solve for x
    x = 6,149,977,544.96/108,789.73
  6. Step 6: Final answer
    x = 56,530.87

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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.