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Finding the Fourth Proportional to 250,187.72, 375,320.46 and 84,014.60

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Solution

The fourth proportional to 250,187.72, 375,320.46 and 84,014.60 is: 126,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,187.72 : 375,320.46 = 84,014.60 : x
  2. Step 2: Convert to fraction form
    250,187.72/375,320.46 = 84,014.60/x
  3. Step 3: Cross multiply
    250,187.72x = 375,320.46 × 84,014.60
  4. Step 4: Simplify right side
    250,187.72x = 31,532,399,257.02
  5. Step 5: Solve for x
    x = 31,532,399,257.02/250,187.72
  6. Step 6: Final answer
    x = 126,034.96

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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.