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Finding the Fourth Proportional to 88,511.76, 132,718.68 and 35,149.68

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Solution

The fourth proportional to 88,511.76, 132,718.68 and 35,149.68 is: 52,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.76 : 132,718.68 = 35,149.68 : x
  2. Step 2: Convert to fraction form
    88,511.76/132,718.68 = 35,149.68/x
  3. Step 3: Cross multiply
    88,511.76x = 132,718.68 × 35,149.68
  4. Step 4: Simplify right side
    88,511.76x = 4,665,019,132.02
  5. Step 5: Solve for x
    x = 4,665,019,132.02/88,511.76
  6. Step 6: Final answer
    x = 52,705.08

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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.