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Finding the Fourth Proportional to 88,680.68, 133,067.72 and 51,267.02

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Solution

The fourth proportional to 88,680.68, 133,067.72 and 51,267.02 is: 76,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.68 : 133,067.72 = 51,267.02 : x
  2. Step 2: Convert to fraction form
    88,680.68/133,067.72 = 51,267.02/x
  3. Step 3: Cross multiply
    88,680.68x = 133,067.72 × 51,267.02
  4. Step 4: Simplify right side
    88,680.68x = 6,821,985,206.26
  5. Step 5: Solve for x
    x = 6,821,985,206.26/88,680.68
  6. Step 6: Final answer
    x = 76,927.53

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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.