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Finding the Fourth Proportional to 251,690.88, 377,601.64 and 93,920.52

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Solution

The fourth proportional to 251,690.88, 377,601.64 and 93,920.52 is: 140,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,690.88 : 377,601.64 = 93,920.52 : x
  2. Step 2: Convert to fraction form
    251,690.88/377,601.64 = 93,920.52/x
  3. Step 3: Cross multiply
    251,690.88x = 377,601.64 × 93,920.52
  4. Step 4: Simplify right side
    251,690.88x = 35,464,542,381.65
  5. Step 5: Solve for x
    x = 35,464,542,381.65/251,690.88
  6. Step 6: Final answer
    x = 140,905.15

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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.