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Finding the Fourth Proportional to 250,635.60, 375,975.48 and 70,722.61

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Solution

The fourth proportional to 250,635.60, 375,975.48 and 70,722.61 is: 106,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,635.60 : 375,975.48 = 70,722.61 : x
  2. Step 2: Convert to fraction form
    250,635.60/375,975.48 = 70,722.61/x
  3. Step 3: Cross multiply
    250,635.60x = 375,975.48 × 70,722.61
  4. Step 4: Simplify right side
    250,635.60x = 26,589,967,241.60
  5. Step 5: Solve for x
    x = 26,589,967,241.60/250,635.60
  6. Step 6: Final answer
    x = 106,090.15

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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.