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Finding the Fourth Proportional to 250,630.54, 375,967.91 and 70,717.56

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Solution

The fourth proportional to 250,630.54, 375,967.91 and 70,717.56 is: 106,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,630.54 : 375,967.91 = 70,717.56 : x
  2. Step 2: Convert to fraction form
    250,630.54/375,967.91 = 70,717.56/x
  3. Step 3: Cross multiply
    250,630.54x = 375,967.91 × 70,717.56
  4. Step 4: Simplify right side
    250,630.54x = 26,587,531,735.22
  5. Step 5: Solve for x
    x = 26,587,531,735.22/250,630.54
  6. Step 6: Final answer
    x = 106,082.57

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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.