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Finding the Fourth Proportional to 250,613.77, 376,107.45 and 100,855.30

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Solution

The fourth proportional to 250,613.77, 376,107.45 and 100,855.30 is: 151,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,613.77 : 376,107.45 = 100,855.30 : x
  2. Step 2: Convert to fraction form
    250,613.77/376,107.45 = 100,855.30/x
  3. Step 3: Cross multiply
    250,613.77x = 376,107.45 × 100,855.30
  4. Step 4: Simplify right side
    250,613.77x = 37,932,429,701.99
  5. Step 5: Solve for x
    x = 37,932,429,701.99/250,613.77
  6. Step 6: Final answer
    x = 151,358.12

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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.