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Finding the Fourth Proportional to 88,246.16, 132,366 and 21,686.48

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Solution

The fourth proportional to 88,246.16, 132,366 and 21,686.48 is: 32,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,246.16 : 132,366 = 21,686.48 : x
  2. Step 2: Convert to fraction form
    88,246.16/132,366 = 21,686.48/x
  3. Step 3: Cross multiply
    88,246.16x = 132,366 × 21,686.48
  4. Step 4: Simplify right side
    88,246.16x = 2,870,552,611.68
  5. Step 5: Solve for x
    x = 2,870,552,611.68/88,246.16
  6. Step 6: Final answer
    x = 32,528.92

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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.