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Finding the Fourth Proportional to 88,458.68, 132,687.18 and 35,855.64

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Solution

The fourth proportional to 88,458.68, 132,687.18 and 35,855.64 is: 53,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,458.68 : 132,687.18 = 35,855.64 : x
  2. Step 2: Convert to fraction form
    88,458.68/132,687.18 = 35,855.64/x
  3. Step 3: Cross multiply
    88,458.68x = 132,687.18 × 35,855.64
  4. Step 4: Simplify right side
    88,458.68x = 4,757,583,758.70
  5. Step 5: Solve for x
    x = 4,757,583,758.70/88,458.68
  6. Step 6: Final answer
    x = 53,783.12

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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.