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Finding the Fourth Proportional to 248,435.87, 372,653.93 and 79,956.17

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Solution

The fourth proportional to 248,435.87, 372,653.93 and 79,956.17 is: 119,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,435.87 : 372,653.93 = 79,956.17 : x
  2. Step 2: Convert to fraction form
    248,435.87/372,653.93 = 79,956.17/x
  3. Step 3: Cross multiply
    248,435.87x = 372,653.93 × 79,956.17
  4. Step 4: Simplify right side
    248,435.87x = 29,795,980,978.25
  5. Step 5: Solve for x
    x = 29,795,980,978.25/248,435.87
  6. Step 6: Final answer
    x = 119,934.30

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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.