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Finding the Fourth Proportional to 251,085.95, 376,653.73 and 82,537.91

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Solution

The fourth proportional to 251,085.95, 376,653.73 and 82,537.91 is: 123,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,085.95 : 376,653.73 = 82,537.91 : x
  2. Step 2: Convert to fraction form
    251,085.95/376,653.73 = 82,537.91/x
  3. Step 3: Cross multiply
    251,085.95x = 376,653.73 × 82,537.91
  4. Step 4: Simplify right side
    251,085.95x = 31,088,211,667.90
  5. Step 5: Solve for x
    x = 31,088,211,667.90/251,085.95
  6. Step 6: Final answer
    x = 123,815.02

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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.