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Finding the Fourth Proportional to 106,561.48, 159,850.84 and 35,481.54

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Solution

The fourth proportional to 106,561.48, 159,850.84 and 35,481.54 is: 53,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,561.48 : 159,850.84 = 35,481.54 : x
  2. Step 2: Convert to fraction form
    106,561.48/159,850.84 = 35,481.54/x
  3. Step 3: Cross multiply
    106,561.48x = 159,850.84 × 35,481.54
  4. Step 4: Simplify right side
    106,561.48x = 5,671,753,973.49
  5. Step 5: Solve for x
    x = 5,671,753,973.49/106,561.48
  6. Step 6: Final answer
    x = 53,225.18

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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.