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Finding the Fourth Proportional to 251,121.48, 376,674.32 and 61,582.43

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Solution

The fourth proportional to 251,121.48, 376,674.32 and 61,582.43 is: 92,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,121.48 : 376,674.32 = 61,582.43 : x
  2. Step 2: Convert to fraction form
    251,121.48/376,674.32 = 61,582.43/x
  3. Step 3: Cross multiply
    251,121.48x = 376,674.32 × 61,582.43
  4. Step 4: Simplify right side
    251,121.48x = 23,196,517,752.91
  5. Step 5: Solve for x
    x = 23,196,517,752.91/251,121.48
  6. Step 6: Final answer
    x = 92,371.70

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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.