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Finding the Fourth Proportional to 176,229.72, 264,607.02 and 71,253.72

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Solution

The fourth proportional to 176,229.72, 264,607.02 and 71,253.72 is: 106,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,229.72 : 264,607.02 = 71,253.72 : x
  2. Step 2: Convert to fraction form
    176,229.72/264,607.02 = 71,253.72/x
  3. Step 3: Cross multiply
    176,229.72x = 264,607.02 × 71,253.72
  4. Step 4: Simplify right side
    176,229.72x = 18,854,234,513.11
  5. Step 5: Solve for x
    x = 18,854,234,513.11/176,229.72
  6. Step 6: Final answer
    x = 106,986.69

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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.