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Finding the Fourth Proportional to 88,113.92, 132,142.92 and 28,935.81

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Solution

The fourth proportional to 88,113.92, 132,142.92 and 28,935.81 is: 43,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,113.92 : 132,142.92 = 28,935.81 : x
  2. Step 2: Convert to fraction form
    88,113.92/132,142.92 = 28,935.81/x
  3. Step 3: Cross multiply
    88,113.92x = 132,142.92 × 28,935.81
  4. Step 4: Simplify right side
    88,113.92x = 3,823,662,425.97
  5. Step 5: Solve for x
    x = 3,823,662,425.97/88,113.92
  6. Step 6: Final answer
    x = 43,394.54

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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.