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Finding the Fourth Proportional to 242,857.56, 364,227.54 and 124,467.96

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Solution

The fourth proportional to 242,857.56, 364,227.54 and 124,467.96 is: 186,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,857.56 : 364,227.54 = 124,467.96 : x
  2. Step 2: Convert to fraction form
    242,857.56/364,227.54 = 124,467.96/x
  3. Step 3: Cross multiply
    242,857.56x = 364,227.54 × 124,467.96
  4. Step 4: Simplify right side
    242,857.56x = 45,334,658,879.62
  5. Step 5: Solve for x
    x = 45,334,658,879.62/242,857.56
  6. Step 6: Final answer
    x = 186,671.80

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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.