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Finding the Fourth Proportional to 88,858.05, 133,179.30 and 65,265.72

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Solution

The fourth proportional to 88,858.05, 133,179.30 and 65,265.72 is: 97,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,858.05 : 133,179.30 = 65,265.72 : x
  2. Step 2: Convert to fraction form
    88,858.05/133,179.30 = 65,265.72/x
  3. Step 3: Cross multiply
    88,858.05x = 133,179.30 × 65,265.72
  4. Step 4: Simplify right side
    88,858.05x = 8,692,042,903.60
  5. Step 5: Solve for x
    x = 8,692,042,903.60/88,858.05
  6. Step 6: Final answer
    x = 97,819.42

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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.