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Finding the Fourth Proportional to 299,315.90, 449,047.65 and 88,953.80

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Solution

The fourth proportional to 299,315.90, 449,047.65 and 88,953.80 is: 133,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,315.90 : 449,047.65 = 88,953.80 : x
  2. Step 2: Convert to fraction form
    299,315.90/449,047.65 = 88,953.80/x
  3. Step 3: Cross multiply
    299,315.90x = 449,047.65 × 88,953.80
  4. Step 4: Simplify right side
    299,315.90x = 39,944,494,848.57
  5. Step 5: Solve for x
    x = 39,944,494,848.57/299,315.90
  6. Step 6: Final answer
    x = 133,452.63

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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.