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Finding the Fourth Proportional to 299,854.62, 449,859.76 and 89,492.56

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Solution

The fourth proportional to 299,854.62, 449,859.76 and 89,492.56 is: 134,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,854.62 : 449,859.76 = 89,492.56 : x
  2. Step 2: Convert to fraction form
    299,854.62/449,859.76 = 89,492.56/x
  3. Step 3: Cross multiply
    299,854.62x = 449,859.76 × 89,492.56
  4. Step 4: Simplify right side
    299,854.62x = 40,259,101,563.39
  5. Step 5: Solve for x
    x = 40,259,101,563.39/299,854.62
  6. Step 6: Final answer
    x = 134,262.07

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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.