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Finding the Fourth Proportional to 248,382, 372,608.04 and 79,845.84

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Solution

The fourth proportional to 248,382, 372,608.04 and 79,845.84 is: 119,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,382 : 372,608.04 = 79,845.84 : x
  2. Step 2: Convert to fraction form
    248,382/372,608.04 = 79,845.84/x
  3. Step 3: Cross multiply
    248,382x = 372,608.04 × 79,845.84
  4. Step 4: Simplify right side
    248,382x = 29,751,201,944.55
  5. Step 5: Solve for x
    x = 29,751,201,944.55/248,382
  6. Step 6: Final answer
    x = 119,780.02

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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.