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Finding the Fourth Proportional to 250,089.42, 375,020.67 and 107,867.49

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Solution

The fourth proportional to 250,089.42, 375,020.67 and 107,867.49 is: 161,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,089.42 : 375,020.67 = 107,867.49 : x
  2. Step 2: Convert to fraction form
    250,089.42/375,020.67 = 107,867.49/x
  3. Step 3: Cross multiply
    250,089.42x = 375,020.67 × 107,867.49
  4. Step 4: Simplify right side
    250,089.42x = 40,452,538,371.02
  5. Step 5: Solve for x
    x = 40,452,538,371.02/250,089.42
  6. Step 6: Final answer
    x = 161,752.30

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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.