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Finding the Fourth Proportional to 88,089.73, 132,134.59 and 21,529.77

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Solution

The fourth proportional to 88,089.73, 132,134.59 and 21,529.77 is: 32,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089.73 : 132,134.59 = 21,529.77 : x
  2. Step 2: Convert to fraction form
    88,089.73/132,134.59 = 21,529.77/x
  3. Step 3: Cross multiply
    88,089.73x = 132,134.59 × 21,529.77
  4. Step 4: Simplify right side
    88,089.73x = 2,844,826,863.15
  5. Step 5: Solve for x
    x = 2,844,826,863.15/88,089.73
  6. Step 6: Final answer
    x = 32,294.65

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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.