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Finding the Fourth Proportional to 250,951.86, 346,313.79 and 136,230.42

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Solution

The fourth proportional to 250,951.86, 346,313.79 and 136,230.42 is: 187,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,951.86 : 346,313.79 = 136,230.42 : x
  2. Step 2: Convert to fraction form
    250,951.86/346,313.79 = 136,230.42/x
  3. Step 3: Cross multiply
    250,951.86x = 346,313.79 × 136,230.42
  4. Step 4: Simplify right side
    250,951.86x = 47,178,473,063.49
  5. Step 5: Solve for x
    x = 47,178,473,063.49/250,951.86
  6. Step 6: Final answer
    x = 187,998.10

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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.