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Finding the Fourth Proportional to 250,286.88, 375,426.33 and 60,748.81

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Solution

The fourth proportional to 250,286.88, 375,426.33 and 60,748.81 is: 91,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.88 : 375,426.33 = 60,748.81 : x
  2. Step 2: Convert to fraction form
    250,286.88/375,426.33 = 60,748.81/x
  3. Step 3: Cross multiply
    250,286.88x = 375,426.33 × 60,748.81
  4. Step 4: Simplify right side
    250,286.88x = 22,806,702,003.47
  5. Step 5: Solve for x
    x = 22,806,702,003.47/250,286.88
  6. Step 6: Final answer
    x = 91,122.25

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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.