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Finding the Fourth Proportional to 97,364.10, 146,046.15 and 55,227.90

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Solution

The fourth proportional to 97,364.10, 146,046.15 and 55,227.90 is: 82,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,364.10 : 146,046.15 = 55,227.90 : x
  2. Step 2: Convert to fraction form
    97,364.10/146,046.15 = 55,227.90/x
  3. Step 3: Cross multiply
    97,364.10x = 146,046.15 × 55,227.90
  4. Step 4: Simplify right side
    97,364.10x = 8,065,822,167.59
  5. Step 5: Solve for x
    x = 8,065,822,167.59/97,364.10
  6. Step 6: Final answer
    x = 82,841.85

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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.