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Finding the Fourth Proportional to 246,993.40, 340,851.23 and 133,816.15

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Solution

The fourth proportional to 246,993.40, 340,851.23 and 133,816.15 is: 184,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,993.40 : 340,851.23 = 133,816.15 : x
  2. Step 2: Convert to fraction form
    246,993.40/340,851.23 = 133,816.15/x
  3. Step 3: Cross multiply
    246,993.40x = 340,851.23 × 133,816.15
  4. Step 4: Simplify right side
    246,993.40x = 45,611,399,321.36
  5. Step 5: Solve for x
    x = 45,611,399,321.36/246,993.40
  6. Step 6: Final answer
    x = 184,666.47

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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.