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Finding the Fourth Proportional to 250,630.77, 376,132.95 and 100,872.30

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Solution

The fourth proportional to 250,630.77, 376,132.95 and 100,872.30 is: 151,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,630.77 : 376,132.95 = 100,872.30 : x
  2. Step 2: Convert to fraction form
    250,630.77/376,132.95 = 100,872.30/x
  3. Step 3: Cross multiply
    250,630.77x = 376,132.95 × 100,872.30
  4. Step 4: Simplify right side
    250,630.77x = 37,941,395,772.29
  5. Step 5: Solve for x
    x = 37,941,395,772.29/250,630.77
  6. Step 6: Final answer
    x = 151,383.63

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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.