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Finding the Fourth Proportional to 299,127.42, 448,778.61 and 88,770.83

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Solution

The fourth proportional to 299,127.42, 448,778.61 and 88,770.83 is: 133,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,127.42 : 448,778.61 = 88,770.83 : x
  2. Step 2: Convert to fraction form
    299,127.42/448,778.61 = 88,770.83/x
  3. Step 3: Cross multiply
    299,127.42x = 448,778.61 × 88,770.83
  4. Step 4: Simplify right side
    299,127.42x = 39,838,447,452.05
  5. Step 5: Solve for x
    x = 39,838,447,452.05/299,127.42
  6. Step 6: Final answer
    x = 133,182.20

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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.