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Finding the Fourth Proportional to 224,174.79, 336,261.11 and 66,391.11

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Solution

The fourth proportional to 224,174.79, 336,261.11 and 66,391.11 is: 99,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,174.79 : 336,261.11 = 66,391.11 : x
  2. Step 2: Convert to fraction form
    224,174.79/336,261.11 = 66,391.11/x
  3. Step 3: Cross multiply
    224,174.79x = 336,261.11 × 66,391.11
  4. Step 4: Simplify right side
    224,174.79x = 22,324,748,010.78
  5. Step 5: Solve for x
    x = 22,324,748,010.78/224,174.79
  6. Step 6: Final answer
    x = 99,586.35

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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.