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Finding the Fourth Proportional to 88,611.54, 132,917.31 and 26,281.50

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Solution

The fourth proportional to 88,611.54, 132,917.31 and 26,281.50 is: 39,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.54 : 132,917.31 = 26,281.50 : x
  2. Step 2: Convert to fraction form
    88,611.54/132,917.31 = 26,281.50/x
  3. Step 3: Cross multiply
    88,611.54x = 132,917.31 × 26,281.50
  4. Step 4: Simplify right side
    88,611.54x = 3,493,266,282.77
  5. Step 5: Solve for x
    x = 3,493,266,282.77/88,611.54
  6. Step 6: Final answer
    x = 39,422.25

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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.