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Finding the Fourth Proportional to 67,044.53, 100,579.77 and 22,678.52

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Solution

The fourth proportional to 67,044.53, 100,579.77 and 22,678.52 is: 34,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,044.53 : 100,579.77 = 22,678.52 : x
  2. Step 2: Convert to fraction form
    67,044.53/100,579.77 = 22,678.52/x
  3. Step 3: Cross multiply
    67,044.53x = 100,579.77 × 22,678.52
  4. Step 4: Simplify right side
    67,044.53x = 2,280,999,822.64
  5. Step 5: Solve for x
    x = 2,280,999,822.64/67,044.53
  6. Step 6: Final answer
    x = 34,022.16

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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.