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Finding the Fourth Proportional to 88,388.75, 132,530.25 and 59,960.64

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Solution

The fourth proportional to 88,388.75, 132,530.25 and 59,960.64 is: 89,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,388.75 : 132,530.25 = 59,960.64 : x
  2. Step 2: Convert to fraction form
    88,388.75/132,530.25 = 59,960.64/x
  3. Step 3: Cross multiply
    88,388.75x = 132,530.25 × 59,960.64
  4. Step 4: Simplify right side
    88,388.75x = 7,946,598,609.36
  5. Step 5: Solve for x
    x = 7,946,598,609.36/88,388.75
  6. Step 6: Final answer
    x = 89,905.09

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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.