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Finding the Fourth Proportional to 70,679.26, 106,009.77 and 58,906.58

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Solution

The fourth proportional to 70,679.26, 106,009.77 and 58,906.58 is: 88,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.26 : 106,009.77 = 58,906.58 : x
  2. Step 2: Convert to fraction form
    70,679.26/106,009.77 = 58,906.58/x
  3. Step 3: Cross multiply
    70,679.26x = 106,009.77 × 58,906.58
  4. Step 4: Simplify right side
    70,679.26x = 6,244,672,997.29
  5. Step 5: Solve for x
    x = 6,244,672,997.29/70,679.26
  6. Step 6: Final answer
    x = 88,352.27

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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.