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Finding the Fourth Proportional to 341,190.50, 511,764.22 and 133,245.74

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Solution

The fourth proportional to 341,190.50, 511,764.22 and 133,245.74 is: 199,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,190.50 : 511,764.22 = 133,245.74 : x
  2. Step 2: Convert to fraction form
    341,190.50/511,764.22 = 133,245.74/x
  3. Step 3: Cross multiply
    341,190.50x = 511,764.22 × 133,245.74
  4. Step 4: Simplify right side
    341,190.50x = 68,190,402,199.42
  5. Step 5: Solve for x
    x = 68,190,402,199.42/341,190.50
  6. Step 6: Final answer
    x = 199,860.20

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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.