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Finding the Fourth Proportional to 243,574.97, 365,445.16 and 131,266.44

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Solution

The fourth proportional to 243,574.97, 365,445.16 and 131,266.44 is: 196,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,574.97 : 365,445.16 = 131,266.44 : x
  2. Step 2: Convert to fraction form
    243,574.97/365,445.16 = 131,266.44/x
  3. Step 3: Cross multiply
    243,574.97x = 365,445.16 × 131,266.44
  4. Step 4: Simplify right side
    243,574.97x = 47,970,684,840.26
  5. Step 5: Solve for x
    x = 47,970,684,840.26/243,574.97
  6. Step 6: Final answer
    x = 196,944.23

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1.5x scale

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.