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Finding the Fourth Proportional to 176,354.70, 264,448.72 and 68,334.67

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Solution

The fourth proportional to 176,354.70, 264,448.72 and 68,334.67 is: 102,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,354.70 : 264,448.72 = 68,334.67 : x
  2. Step 2: Convert to fraction form
    176,354.70/264,448.72 = 68,334.67/x
  3. Step 3: Cross multiply
    176,354.70x = 264,448.72 × 68,334.67
  4. Step 4: Simplify right side
    176,354.70x = 18,071,016,044.72
  5. Step 5: Solve for x
    x = 18,071,016,044.72/176,354.70
  6. Step 6: Final answer
    x = 102,469.72

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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.