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Finding the Fourth Proportional to 74,440.92, 111,678.64 and 24,519.22

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Solution

The fourth proportional to 74,440.92, 111,678.64 and 24,519.22 is: 36,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,440.92 : 111,678.64 = 24,519.22 : x
  2. Step 2: Convert to fraction form
    74,440.92/111,678.64 = 24,519.22/x
  3. Step 3: Cross multiply
    74,440.92x = 111,678.64 × 24,519.22
  4. Step 4: Simplify right side
    74,440.92x = 2,738,273,143.46
  5. Step 5: Solve for x
    x = 2,738,273,143.46/74,440.92
  6. Step 6: Final answer
    x = 36,784.52

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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.