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Finding the Fourth Proportional to 99,258.60, 148,855.89 and 32,682.90

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Solution

The fourth proportional to 99,258.60, 148,855.89 and 32,682.90 is: 49,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258.60 : 148,855.89 = 32,682.90 : x
  2. Step 2: Convert to fraction form
    99,258.60/148,855.89 = 32,682.90/x
  3. Step 3: Cross multiply
    99,258.60x = 148,855.89 × 32,682.90
  4. Step 4: Simplify right side
    99,258.60x = 4,865,042,167.28
  5. Step 5: Solve for x
    x = 4,865,042,167.28/99,258.60
  6. Step 6: Final answer
    x = 49,013.81

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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.