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Finding the Fourth Proportional to 88,603.29, 132,865.92 and 32,428.80

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Solution

The fourth proportional to 88,603.29, 132,865.92 and 32,428.80 is: 48,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,603.29 : 132,865.92 = 32,428.80 : x
  2. Step 2: Convert to fraction form
    88,603.29/132,865.92 = 32,428.80/x
  3. Step 3: Cross multiply
    88,603.29x = 132,865.92 × 32,428.80
  4. Step 4: Simplify right side
    88,603.29x = 4,308,682,346.50
  5. Step 5: Solve for x
    x = 4,308,682,346.50/88,603.29
  6. Step 6: Final answer
    x = 48,628.92

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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.