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Finding the Fourth Proportional to 88,093.92, 132,140.40 and 21,534.30

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Solution

The fourth proportional to 88,093.92, 132,140.40 and 21,534.30 is: 32,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.92 : 132,140.40 = 21,534.30 : x
  2. Step 2: Convert to fraction form
    88,093.92/132,140.40 = 21,534.30/x
  3. Step 3: Cross multiply
    88,093.92x = 132,140.40 × 21,534.30
  4. Step 4: Simplify right side
    88,093.92x = 2,845,551,015.72
  5. Step 5: Solve for x
    x = 2,845,551,015.72/88,093.92
  6. Step 6: Final answer
    x = 32,301.33

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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.