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Finding the Fourth Proportional to 106,695.88, 159,990.49 and 35,593.76

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Solution

The fourth proportional to 106,695.88, 159,990.49 and 35,593.76 is: 53,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,695.88 : 159,990.49 = 35,593.76 : x
  2. Step 2: Convert to fraction form
    106,695.88/159,990.49 = 35,593.76/x
  3. Step 3: Cross multiply
    106,695.88x = 159,990.49 × 35,593.76
  4. Step 4: Simplify right side
    106,695.88x = 5,694,662,925.37
  5. Step 5: Solve for x
    x = 5,694,662,925.37/106,695.88
  6. Step 6: Final answer
    x = 53,372.85

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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.