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Finding the Fourth Proportional to 75,167.52, 103,620.24 and 59,220.24

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Solution

The fourth proportional to 75,167.52, 103,620.24 and 59,220.24 is: 81,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,167.52 : 103,620.24 = 59,220.24 : x
  2. Step 2: Convert to fraction form
    75,167.52/103,620.24 = 59,220.24/x
  3. Step 3: Cross multiply
    75,167.52x = 103,620.24 × 59,220.24
  4. Step 4: Simplify right side
    75,167.52x = 6,136,415,481.66
  5. Step 5: Solve for x
    x = 6,136,415,481.66/75,167.52
  6. Step 6: Final answer
    x = 81,636.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.