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Finding the Fourth Proportional to 242,189.46, 363,336.48 and 73,722.96

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Solution

The fourth proportional to 242,189.46, 363,336.48 and 73,722.96 is: 110,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,189.46 : 363,336.48 = 73,722.96 : x
  2. Step 2: Convert to fraction form
    242,189.46/363,336.48 = 73,722.96/x
  3. Step 3: Cross multiply
    242,189.46x = 363,336.48 × 73,722.96
  4. Step 4: Simplify right side
    242,189.46x = 26,786,240,781.58
  5. Step 5: Solve for x
    x = 26,786,240,781.58/242,189.46
  6. Step 6: Final answer
    x = 110,600.36

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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.