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Finding the Fourth Proportional to 246,990.11, 340,846.71 and 133,812.86

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Solution

The fourth proportional to 246,990.11, 340,846.71 and 133,812.86 is: 184,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,990.11 : 340,846.71 = 133,812.86 : x
  2. Step 2: Convert to fraction form
    246,990.11/340,846.71 = 133,812.86/x
  3. Step 3: Cross multiply
    246,990.11x = 340,846.71 × 133,812.86
  4. Step 4: Simplify right side
    246,990.11x = 45,609,673,086.69
  5. Step 5: Solve for x
    x = 45,609,673,086.69/246,990.11
  6. Step 6: Final answer
    x = 184,661.94

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1.5x scale

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.