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Finding the Fourth Proportional to 251,224.64, 376,888.90 and 82,755.24

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Solution

The fourth proportional to 251,224.64, 376,888.90 and 82,755.24 is: 124,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,224.64 : 376,888.90 = 82,755.24 : x
  2. Step 2: Convert to fraction form
    251,224.64/376,888.90 = 82,755.24/x
  3. Step 3: Cross multiply
    251,224.64x = 376,888.90 × 82,755.24
  4. Step 4: Simplify right side
    251,224.64x = 31,189,533,087.78
  5. Step 5: Solve for x
    x = 31,189,533,087.78/251,224.64
  6. Step 6: Final answer
    x = 124,149.98

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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.