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Finding the Fourth Proportional to 88,530.74, 132,785.16 and 35,889.64

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Solution

The fourth proportional to 88,530.74, 132,785.16 and 35,889.64 is: 53,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,530.74 : 132,785.16 = 35,889.64 : x
  2. Step 2: Convert to fraction form
    88,530.74/132,785.16 = 35,889.64/x
  3. Step 3: Cross multiply
    88,530.74x = 132,785.16 × 35,889.64
  4. Step 4: Simplify right side
    88,530.74x = 4,765,611,589.74
  5. Step 5: Solve for x
    x = 4,765,611,589.74/88,530.74
  6. Step 6: Final answer
    x = 53,830.02

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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.