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Finding the Fourth Proportional to 108,227.52, 162,231.84 and 51,985.44

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Solution

The fourth proportional to 108,227.52, 162,231.84 and 51,985.44 is: 77,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,227.52 : 162,231.84 = 51,985.44 : x
  2. Step 2: Convert to fraction form
    108,227.52/162,231.84 = 51,985.44/x
  3. Step 3: Cross multiply
    108,227.52x = 162,231.84 × 51,985.44
  4. Step 4: Simplify right side
    108,227.52x = 8,433,693,584.41
  5. Step 5: Solve for x
    x = 8,433,693,584.41/108,227.52
  6. Step 6: Final answer
    x = 77,925.59

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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.