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Finding the Fourth Proportional to 251,085.68, 376,629.14 and 61,546.90

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Solution

The fourth proportional to 251,085.68, 376,629.14 and 61,546.90 is: 92,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,085.68 : 376,629.14 = 61,546.90 : x
  2. Step 2: Convert to fraction form
    251,085.68/376,629.14 = 61,546.90/x
  3. Step 3: Cross multiply
    251,085.68x = 376,629.14 × 61,546.90
  4. Step 4: Simplify right side
    251,085.68x = 23,180,356,016.67
  5. Step 5: Solve for x
    x = 23,180,356,016.67/251,085.68
  6. Step 6: Final answer
    x = 92,320.50

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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.