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Finding the Fourth Proportional to 71,168.76, 106,749.27 and 36,107.51

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Solution

The fourth proportional to 71,168.76, 106,749.27 and 36,107.51 is: 54,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,168.76 : 106,749.27 = 36,107.51 : x
  2. Step 2: Convert to fraction form
    71,168.76/106,749.27 = 36,107.51/x
  3. Step 3: Cross multiply
    71,168.76x = 106,749.27 × 36,107.51
  4. Step 4: Simplify right side
    71,168.76x = 3,854,449,800.27
  5. Step 5: Solve for x
    x = 3,854,449,800.27/71,168.76
  6. Step 6: Final answer
    x = 54,159.29

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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.