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Finding the Fourth Proportional to 92,492.52, 138,655.52 and 33,286.56

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Solution

The fourth proportional to 92,492.52, 138,655.52 and 33,286.56 is: 49,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,492.52 : 138,655.52 = 33,286.56 : x
  2. Step 2: Convert to fraction form
    92,492.52/138,655.52 = 33,286.56/x
  3. Step 3: Cross multiply
    92,492.52x = 138,655.52 × 33,286.56
  4. Step 4: Simplify right side
    92,492.52x = 4,615,365,285.81
  5. Step 5: Solve for x
    x = 4,615,365,285.81/92,492.52
  6. Step 6: Final answer
    x = 49,899.88

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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.