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Finding the Fourth Proportional to 242,247.50, 363,374.50 and 76,035.50

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Solution

The fourth proportional to 242,247.50, 363,374.50 and 76,035.50 is: 114,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,247.50 : 363,374.50 = 76,035.50 : x
  2. Step 2: Convert to fraction form
    242,247.50/363,374.50 = 76,035.50/x
  3. Step 3: Cross multiply
    242,247.50x = 363,374.50 × 76,035.50
  4. Step 4: Simplify right side
    242,247.50x = 27,629,361,794.75
  5. Step 5: Solve for x
    x = 27,629,361,794.75/242,247.50
  6. Step 6: Final answer
    x = 114,054.27

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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.