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Finding the Fourth Proportional to 299,127.11, 448,593.59 and 99,393.86

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Solution

The fourth proportional to 299,127.11, 448,593.59 and 99,393.86 is: 149,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,127.11 : 448,593.59 = 99,393.86 : x
  2. Step 2: Convert to fraction form
    299,127.11/448,593.59 = 99,393.86/x
  3. Step 3: Cross multiply
    299,127.11x = 448,593.59 × 99,393.86
  4. Step 4: Simplify right side
    299,127.11x = 44,587,449,851.33
  5. Step 5: Solve for x
    x = 44,587,449,851.33/299,127.11
  6. Step 6: Final answer
    x = 149,058.54

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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.