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Finding the Fourth Proportional to 88,293.30, 132,245.55 and 76,629.30

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Solution

The fourth proportional to 88,293.30, 132,245.55 and 76,629.30 is: 114,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,293.30 : 132,245.55 = 76,629.30 : x
  2. Step 2: Convert to fraction form
    88,293.30/132,245.55 = 76,629.30/x
  3. Step 3: Cross multiply
    88,293.30x = 132,245.55 × 76,629.30
  4. Step 4: Simplify right side
    88,293.30x = 10,133,883,924.62
  5. Step 5: Solve for x
    x = 10,133,883,924.62/88,293.30
  6. Step 6: Final answer
    x = 114,775.23

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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.