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Finding the Fourth Proportional to 88,233.42, 132,355.90 and 64,611.66

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Solution

The fourth proportional to 88,233.42, 132,355.90 and 64,611.66 is: 96,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,233.42 : 132,355.90 = 64,611.66 : x
  2. Step 2: Convert to fraction form
    88,233.42/132,355.90 = 64,611.66/x
  3. Step 3: Cross multiply
    88,233.42x = 132,355.90 × 64,611.66
  4. Step 4: Simplify right side
    88,233.42x = 8,551,734,409.79
  5. Step 5: Solve for x
    x = 8,551,734,409.79/88,233.42
  6. Step 6: Final answer
    x = 96,921.72

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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.