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Finding the Fourth Proportional to 92,336.52, 138,504.78 and 22,215.84

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Solution

The fourth proportional to 92,336.52, 138,504.78 and 22,215.84 is: 33,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,336.52 : 138,504.78 = 22,215.84 : x
  2. Step 2: Convert to fraction form
    92,336.52/138,504.78 = 22,215.84/x
  3. Step 3: Cross multiply
    92,336.52x = 138,504.78 × 22,215.84
  4. Step 4: Simplify right side
    92,336.52x = 3,076,999,449.84
  5. Step 5: Solve for x
    x = 3,076,999,449.84/92,336.52
  6. Step 6: Final answer
    x = 33,323.75

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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.