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Finding the Fourth Proportional to 176,585.72, 264,872.63 and 76,745.92

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Solution

The fourth proportional to 176,585.72, 264,872.63 and 76,745.92 is: 115,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,585.72 : 264,872.63 = 76,745.92 : x
  2. Step 2: Convert to fraction form
    176,585.72/264,872.63 = 76,745.92/x
  3. Step 3: Cross multiply
    176,585.72x = 264,872.63 × 76,745.92
  4. Step 4: Simplify right side
    176,585.72x = 20,327,893,672.17
  5. Step 5: Solve for x
    x = 20,327,893,672.17/176,585.72
  6. Step 6: Final answer
    x = 115,116.29

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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.