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Finding the Fourth Proportional to 119,119.98, 178,679.84 and 92,844.39

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Solution

The fourth proportional to 119,119.98, 178,679.84 and 92,844.39 is: 139,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,119.98 : 178,679.84 = 92,844.39 : x
  2. Step 2: Convert to fraction form
    119,119.98/178,679.84 = 92,844.39/x
  3. Step 3: Cross multiply
    119,119.98x = 178,679.84 × 92,844.39
  4. Step 4: Simplify right side
    119,119.98x = 16,589,420,285.88
  5. Step 5: Solve for x
    x = 16,589,420,285.88/119,119.98
  6. Step 6: Final answer
    x = 139,266.48

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1.5x scale

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.