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Finding the Fourth Proportional to 101,441.72, 152,162.64 and 38,244.68

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Solution

The fourth proportional to 101,441.72, 152,162.64 and 38,244.68 is: 57,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,441.72 : 152,162.64 = 38,244.68 : x
  2. Step 2: Convert to fraction form
    101,441.72/152,162.64 = 38,244.68/x
  3. Step 3: Cross multiply
    101,441.72x = 152,162.64 × 38,244.68
  4. Step 4: Simplify right side
    101,441.72x = 5,819,411,474.76
  5. Step 5: Solve for x
    x = 5,819,411,474.76/101,441.72
  6. Step 6: Final answer
    x = 57,367.04

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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.