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Finding the Fourth Proportional to 250,188.97, 375,322.34 and 84,015.85

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Solution

The fourth proportional to 250,188.97, 375,322.34 and 84,015.85 is: 126,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,188.97 : 375,322.34 = 84,015.85 : x
  2. Step 2: Convert to fraction form
    250,188.97/375,322.34 = 84,015.85/x
  3. Step 3: Cross multiply
    250,188.97x = 375,322.34 × 84,015.85
  4. Step 4: Simplify right side
    250,188.97x = 31,533,025,419.09
  5. Step 5: Solve for x
    x = 31,533,025,419.09/250,188.97
  6. Step 6: Final answer
    x = 126,036.83

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1.5x scale

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.