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Finding the Fourth Proportional to 151,776.45, 227,664.68 and 73,044.45

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Solution

The fourth proportional to 151,776.45, 227,664.68 and 73,044.45 is: 109,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,776.45 : 227,664.68 = 73,044.45 : x
  2. Step 2: Convert to fraction form
    151,776.45/227,664.68 = 73,044.45/x
  3. Step 3: Cross multiply
    151,776.45x = 227,664.68 × 73,044.45
  4. Step 4: Simplify right side
    151,776.45x = 16,629,640,969.80
  5. Step 5: Solve for x
    x = 16,629,640,969.80/151,776.45
  6. Step 6: Final answer
    x = 109,566.68

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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.