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Finding the Fourth Proportional to 106,529.33, 159,855.05 and 43,337.79

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Solution

The fourth proportional to 106,529.33, 159,855.05 and 43,337.79 is: 65,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,529.33 : 159,855.05 = 43,337.79 : x
  2. Step 2: Convert to fraction form
    106,529.33/159,855.05 = 43,337.79/x
  3. Step 3: Cross multiply
    106,529.33x = 159,855.05 × 43,337.79
  4. Step 4: Simplify right side
    106,529.33x = 6,927,764,695.68
  5. Step 5: Solve for x
    x = 6,927,764,695.68/106,529.33
  6. Step 6: Final answer
    x = 65,031.52

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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.