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Finding the Fourth Proportional to 243,992.37, 336,709.42 and 136,562.40

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Solution

The fourth proportional to 243,992.37, 336,709.42 and 136,562.40 is: 188,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,992.37 : 336,709.42 = 136,562.40 : x
  2. Step 2: Convert to fraction form
    243,992.37/336,709.42 = 136,562.40/x
  3. Step 3: Cross multiply
    243,992.37x = 336,709.42 × 136,562.40
  4. Step 4: Simplify right side
    243,992.37x = 45,981,846,156.40
  5. Step 5: Solve for x
    x = 45,981,846,156.40/243,992.37
  6. Step 6: Final answer
    x = 188,456.08

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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.