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Finding the Fourth Proportional to 224,274, 336,475.94 and 66,506.26

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Solution

The fourth proportional to 224,274, 336,475.94 and 66,506.26 is: 99,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,274 : 336,475.94 = 66,506.26 : x
  2. Step 2: Convert to fraction form
    224,274/336,475.94 = 66,506.26/x
  3. Step 3: Cross multiply
    224,274x = 336,475.94 × 66,506.26
  4. Step 4: Simplify right side
    224,274x = 22,377,756,349.38
  5. Step 5: Solve for x
    x = 22,377,756,349.38/224,274
  6. Step 6: Final answer
    x = 99,778.65

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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.