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Finding the Fourth Proportional to 73,328, 109,992 and 26,580.92

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Solution

The fourth proportional to 73,328, 109,992 and 26,580.92 is: 39,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,328 : 109,992 = 26,580.92 : x
  2. Step 2: Convert to fraction form
    73,328/109,992 = 26,580.92/x
  3. Step 3: Cross multiply
    73,328x = 109,992 × 26,580.92
  4. Step 4: Simplify right side
    73,328x = 2,923,688,552.64
  5. Step 5: Solve for x
    x = 2,923,688,552.64/73,328
  6. Step 6: Final answer
    x = 39,871.38

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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.