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Finding the Fourth Proportional to 367,777.70, 551,666.55 and 131,034.95

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Solution

The fourth proportional to 367,777.70, 551,666.55 and 131,034.95 is: 196,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,777.70 : 551,666.55 = 131,034.95 : x
  2. Step 2: Convert to fraction form
    367,777.70/551,666.55 = 131,034.95/x
  3. Step 3: Cross multiply
    367,777.70x = 551,666.55 × 131,034.95
  4. Step 4: Simplify right side
    367,777.70x = 72,287,598,795.92
  5. Step 5: Solve for x
    x = 72,287,598,795.92/367,777.70
  6. Step 6: Final answer
    x = 196,552.43

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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.