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Finding the Fourth Proportional to 88,633.12, 132,974.88 and 36,080.32

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Solution

The fourth proportional to 88,633.12, 132,974.88 and 36,080.32 is: 54,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,633.12 : 132,974.88 = 36,080.32 : x
  2. Step 2: Convert to fraction form
    88,633.12/132,974.88 = 36,080.32/x
  3. Step 3: Cross multiply
    88,633.12x = 132,974.88 × 36,080.32
  4. Step 4: Simplify right side
    88,633.12x = 4,797,776,222.36
  5. Step 5: Solve for x
    x = 4,797,776,222.36/88,633.12
  6. Step 6: Final answer
    x = 54,130.74

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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.