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Finding the Fourth Proportional to 279,197.93, 385,291.41 and 151,874.03

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Solution

The fourth proportional to 279,197.93, 385,291.41 and 151,874.03 is: 209,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,197.93 : 385,291.41 = 151,874.03 : x
  2. Step 2: Convert to fraction form
    279,197.93/385,291.41 = 151,874.03/x
  3. Step 3: Cross multiply
    279,197.93x = 385,291.41 × 151,874.03
  4. Step 4: Simplify right side
    279,197.93x = 58,515,759,161.08
  5. Step 5: Solve for x
    x = 58,515,759,161.08/279,197.93
  6. Step 6: Final answer
    x = 209,585.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.