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Finding the Fourth Proportional to 224,081.80, 336,187.98 and 66,314.44

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Solution

The fourth proportional to 224,081.80, 336,187.98 and 66,314.44 is: 99,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,081.80 : 336,187.98 = 66,314.44 : x
  2. Step 2: Convert to fraction form
    224,081.80/336,187.98 = 66,314.44/x
  3. Step 3: Cross multiply
    224,081.80x = 336,187.98 × 66,314.44
  4. Step 4: Simplify right side
    224,081.80x = 22,294,117,628.43
  5. Step 5: Solve for x
    x = 22,294,117,628.43/224,081.80
  6. Step 6: Final answer
    x = 99,490.98

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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.