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Finding the Fourth Proportional to 299,592.07, 449,363.50 and 89,230.01

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Solution

The fourth proportional to 299,592.07, 449,363.50 and 89,230.01 is: 133,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592.07 : 449,363.50 = 89,230.01 : x
  2. Step 2: Convert to fraction form
    299,592.07/449,363.50 = 89,230.01/x
  3. Step 3: Cross multiply
    299,592.07x = 449,363.50 × 89,230.01
  4. Step 4: Simplify right side
    299,592.07x = 40,096,707,128.74
  5. Step 5: Solve for x
    x = 40,096,707,128.74/299,592.07
  6. Step 6: Final answer
    x = 133,837.68

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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.