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Finding the Fourth Proportional to 71,339.73, 107,500.35 and 59,134.44

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Solution

The fourth proportional to 71,339.73, 107,500.35 and 59,134.44 is: 89,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339.73 : 107,500.35 = 59,134.44 : x
  2. Step 2: Convert to fraction form
    71,339.73/107,500.35 = 59,134.44/x
  3. Step 3: Cross multiply
    71,339.73x = 107,500.35 × 59,134.44
  4. Step 4: Simplify right side
    71,339.73x = 6,356,972,997.05
  5. Step 5: Solve for x
    x = 6,356,972,997.05/71,339.73
  6. Step 6: Final answer
    x = 89,108.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.