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Finding the Fourth Proportional to 88,406, 132,664.28 and 35,815.76

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Solution

The fourth proportional to 88,406, 132,664.28 and 35,815.76 is: 53,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,406 : 132,664.28 = 35,815.76 : x
  2. Step 2: Convert to fraction form
    88,406/132,664.28 = 35,815.76/x
  3. Step 3: Cross multiply
    88,406x = 132,664.28 × 35,815.76
  4. Step 4: Simplify right side
    88,406x = 4,751,472,013.05
  5. Step 5: Solve for x
    x = 4,751,472,013.05/88,406
  6. Step 6: Final answer
    x = 53,746.04

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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.