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Finding the Fourth Proportional to 243,797.49, 336,449.72 and 136,367.19

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Solution

The fourth proportional to 243,797.49, 336,449.72 and 136,367.19 is: 188,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,797.49 : 336,449.72 = 136,367.19 : x
  2. Step 2: Convert to fraction form
    243,797.49/336,449.72 = 136,367.19/x
  3. Step 3: Cross multiply
    243,797.49x = 336,449.72 × 136,367.19
  4. Step 4: Simplify right side
    243,797.49x = 45,880,703,233.60
  5. Step 5: Solve for x
    x = 45,880,703,233.60/243,797.49
  6. Step 6: Final answer
    x = 188,191.86

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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.