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Finding the Fourth Proportional to 242,102.82, 363,212.58 and 75,890.82

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Solution

The fourth proportional to 242,102.82, 363,212.58 and 75,890.82 is: 113,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,102.82 : 363,212.58 = 75,890.82 : x
  2. Step 2: Convert to fraction form
    242,102.82/363,212.58 = 75,890.82/x
  3. Step 3: Cross multiply
    242,102.82x = 363,212.58 × 75,890.82
  4. Step 4: Simplify right side
    242,102.82x = 27,564,500,530.52
  5. Step 5: Solve for x
    x = 27,564,500,530.52/242,102.82
  6. Step 6: Final answer
    x = 113,854.52

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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.