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Finding the Fourth Proportional to 92,171.46, 138,339.58 and 47,223.44

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Solution

The fourth proportional to 92,171.46, 138,339.58 and 47,223.44 is: 70,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,171.46 : 138,339.58 = 47,223.44 : x
  2. Step 2: Convert to fraction form
    92,171.46/138,339.58 = 47,223.44/x
  3. Step 3: Cross multiply
    92,171.46x = 138,339.58 × 47,223.44
  4. Step 4: Simplify right side
    92,171.46x = 6,532,870,855.76
  5. Step 5: Solve for x
    x = 6,532,870,855.76/92,171.46
  6. Step 6: Final answer
    x = 70,877.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.