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Finding the Fourth Proportional to 246,990.48, 340,847.20 and 133,813.24

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Solution

The fourth proportional to 246,990.48, 340,847.20 and 133,813.24 is: 184,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,990.48 : 340,847.20 = 133,813.24 : x
  2. Step 2: Convert to fraction form
    246,990.48/340,847.20 = 133,813.24/x
  3. Step 3: Cross multiply
    246,990.48x = 340,847.20 × 133,813.24
  4. Step 4: Simplify right side
    246,990.48x = 45,609,868,176.93
  5. Step 5: Solve for x
    x = 45,609,868,176.93/246,990.48
  6. Step 6: Final answer
    x = 184,662.45

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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.