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Finding the Fourth Proportional to 250,004.52, 374,909.88 and 90,046.31

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Solution

The fourth proportional to 250,004.52, 374,909.88 and 90,046.31 is: 135,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,004.52 : 374,909.88 = 90,046.31 : x
  2. Step 2: Convert to fraction form
    250,004.52/374,909.88 = 90,046.31/x
  3. Step 3: Cross multiply
    250,004.52x = 374,909.88 × 90,046.31
  4. Step 4: Simplify right side
    250,004.52x = 33,759,251,276.54
  5. Step 5: Solve for x
    x = 33,759,251,276.54/250,004.52
  6. Step 6: Final answer
    x = 135,034.56

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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.