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Finding the Fourth Proportional to 92,506.40, 138,674.52 and 33,327.60

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Solution

The fourth proportional to 92,506.40, 138,674.52 and 33,327.60 is: 49,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,506.40 : 138,674.52 = 33,327.60 : x
  2. Step 2: Convert to fraction form
    92,506.40/138,674.52 = 33,327.60/x
  3. Step 3: Cross multiply
    92,506.40x = 138,674.52 × 33,327.60
  4. Step 4: Simplify right side
    92,506.40x = 4,621,688,932.75
  5. Step 5: Solve for x
    x = 4,621,688,932.75/92,506.40
  6. Step 6: Final answer
    x = 49,960.75

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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.