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Finding the Fourth Proportional to 97,366.60, 146,049.90 and 55,230.40

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Solution

The fourth proportional to 97,366.60, 146,049.90 and 55,230.40 is: 82,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,366.60 : 146,049.90 = 55,230.40 : x
  2. Step 2: Convert to fraction form
    97,366.60/146,049.90 = 55,230.40/x
  3. Step 3: Cross multiply
    97,366.60x = 146,049.90 × 55,230.40
  4. Step 4: Simplify right side
    97,366.60x = 8,066,394,396.96
  5. Step 5: Solve for x
    x = 8,066,394,396.96/97,366.60
  6. Step 6: Final answer
    x = 82,845.60

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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.