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Finding the Fourth Proportional to 251,230.83, 376,840.01 and 61,689.61

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Solution

The fourth proportional to 251,230.83, 376,840.01 and 61,689.61 is: 92,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,230.83 : 376,840.01 = 61,689.61 : x
  2. Step 2: Convert to fraction form
    251,230.83/376,840.01 = 61,689.61/x
  3. Step 3: Cross multiply
    251,230.83x = 376,840.01 × 61,689.61
  4. Step 4: Simplify right side
    251,230.83x = 23,247,113,874.57
  5. Step 5: Solve for x
    x = 23,247,113,874.57/251,230.83
  6. Step 6: Final answer
    x = 92,532.89

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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.