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Finding the Fourth Proportional to 101,169.39, 151,802.69 and 54,416.19

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Solution

The fourth proportional to 101,169.39, 151,802.69 and 54,416.19 is: 81,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,169.39 : 151,802.69 = 54,416.19 : x
  2. Step 2: Convert to fraction form
    101,169.39/151,802.69 = 54,416.19/x
  3. Step 3: Cross multiply
    101,169.39x = 151,802.69 × 54,416.19
  4. Step 4: Simplify right side
    101,169.39x = 8,260,523,749.47
  5. Step 5: Solve for x
    x = 8,260,523,749.47/101,169.39
  6. Step 6: Final answer
    x = 81,650.43

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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.