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Finding the Fourth Proportional to 250,816.92, 376,224.35 and 90,855.42

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Solution

The fourth proportional to 250,816.92, 376,224.35 and 90,855.42 is: 136,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,816.92 : 376,224.35 = 90,855.42 : x
  2. Step 2: Convert to fraction form
    250,816.92/376,224.35 = 90,855.42/x
  3. Step 3: Cross multiply
    250,816.92x = 376,224.35 × 90,855.42
  4. Step 4: Simplify right side
    250,816.92x = 34,182,021,333.48
  5. Step 5: Solve for x
    x = 34,182,021,333.48/250,816.92
  6. Step 6: Final answer
    x = 136,282.76

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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.