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Finding the Fourth Proportional to 242,571.87, 363,896.73 and 102,351.15

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Solution

The fourth proportional to 242,571.87, 363,896.73 and 102,351.15 is: 153,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,571.87 : 363,896.73 = 102,351.15 : x
  2. Step 2: Convert to fraction form
    242,571.87/363,896.73 = 102,351.15/x
  3. Step 3: Cross multiply
    242,571.87x = 363,896.73 × 102,351.15
  4. Step 4: Simplify right side
    242,571.87x = 37,245,248,796.74
  5. Step 5: Solve for x
    x = 37,245,248,796.74/242,571.87
  6. Step 6: Final answer
    x = 153,543.15

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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.