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Finding the Fourth Proportional to 242,928.74, 364,393.11 and 124,524.56

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Solution

The fourth proportional to 242,928.74, 364,393.11 and 124,524.56 is: 186,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,928.74 : 364,393.11 = 124,524.56 : x
  2. Step 2: Convert to fraction form
    242,928.74/364,393.11 = 124,524.56/x
  3. Step 3: Cross multiply
    242,928.74x = 364,393.11 × 124,524.56
  4. Step 4: Simplify right side
    242,928.74x = 45,375,889,867.82
  5. Step 5: Solve for x
    x = 45,375,889,867.82/242,928.74
  6. Step 6: Final answer
    x = 186,786.84

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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.