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Finding the Fourth Proportional to 248,434.87, 372,652.43 and 79,955.17

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Solution

The fourth proportional to 248,434.87, 372,652.43 and 79,955.17 is: 119,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,434.87 : 372,652.43 = 79,955.17 : x
  2. Step 2: Convert to fraction form
    248,434.87/372,652.43 = 79,955.17/x
  3. Step 3: Cross multiply
    248,434.87x = 372,652.43 × 79,955.17
  4. Step 4: Simplify right side
    248,434.87x = 29,795,487,060.16
  5. Step 5: Solve for x
    x = 29,795,487,060.16/248,434.87
  6. Step 6: Final answer
    x = 119,932.79

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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.