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Finding the Fourth Proportional to 251,246.80, 376,870.20 and 93,442.60

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Solution

The fourth proportional to 251,246.80, 376,870.20 and 93,442.60 is: 140,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,246.80 : 376,870.20 = 93,442.60 : x
  2. Step 2: Convert to fraction form
    251,246.80/376,870.20 = 93,442.60/x
  3. Step 3: Cross multiply
    251,246.80x = 376,870.20 × 93,442.60
  4. Step 4: Simplify right side
    251,246.80x = 35,215,731,350.52
  5. Step 5: Solve for x
    x = 35,215,731,350.52/251,246.80
  6. Step 6: Final answer
    x = 140,163.90

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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.