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Finding the Fourth Proportional to 242,118.74, 363,179.93 and 84,346.94

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Solution

The fourth proportional to 242,118.74, 363,179.93 and 84,346.94 is: 126,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,118.74 : 363,179.93 = 84,346.94 : x
  2. Step 2: Convert to fraction form
    242,118.74/363,179.93 = 84,346.94/x
  3. Step 3: Cross multiply
    242,118.74x = 363,179.93 × 84,346.94
  4. Step 4: Simplify right side
    242,118.74x = 30,633,115,764.91
  5. Step 5: Solve for x
    x = 30,633,115,764.91/242,118.74
  6. Step 6: Final answer
    x = 126,521.04

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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.