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Finding the Fourth Proportional to 88,717.92, 133,097.86 and 28,746.30

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Solution

The fourth proportional to 88,717.92, 133,097.86 and 28,746.30 is: 43,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.92 : 133,097.86 = 28,746.30 : x
  2. Step 2: Convert to fraction form
    88,717.92/133,097.86 = 28,746.30/x
  3. Step 3: Cross multiply
    88,717.92x = 133,097.86 × 28,746.30
  4. Step 4: Simplify right side
    88,717.92x = 3,826,070,745.39
  5. Step 5: Solve for x
    x = 3,826,070,745.39/88,717.92
  6. Step 6: Final answer
    x = 43,126.24

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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.