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Finding the Fourth Proportional to 251,150.01, 376,776.90 and 82,680.47

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Solution

The fourth proportional to 251,150.01, 376,776.90 and 82,680.47 is: 124,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,150.01 : 376,776.90 = 82,680.47 : x
  2. Step 2: Convert to fraction form
    251,150.01/376,776.90 = 82,680.47/x
  3. Step 3: Cross multiply
    251,150.01x = 376,776.90 × 82,680.47
  4. Step 4: Simplify right side
    251,150.01x = 31,152,090,706.17
  5. Step 5: Solve for x
    x = 31,152,090,706.17/251,150.01
  6. Step 6: Final answer
    x = 124,037.78

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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.