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Finding the Fourth Proportional to 92,387.88, 138,566.58 and 33,212.52

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Solution

The fourth proportional to 92,387.88, 138,566.58 and 33,212.52 is: 49,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,387.88 : 138,566.58 = 33,212.52 : x
  2. Step 2: Convert to fraction form
    92,387.88/138,566.58 = 33,212.52/x
  3. Step 3: Cross multiply
    92,387.88x = 138,566.58 × 33,212.52
  4. Step 4: Simplify right side
    92,387.88x = 4,602,145,309.58
  5. Step 5: Solve for x
    x = 4,602,145,309.58/92,387.88
  6. Step 6: Final answer
    x = 49,813.30

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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.