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Finding the Fourth Proportional to 176,551.26, 264,472.30 and 81,648.42

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Solution

The fourth proportional to 176,551.26, 264,472.30 and 81,648.42 is: 122,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,551.26 : 264,472.30 = 81,648.42 : x
  2. Step 2: Convert to fraction form
    176,551.26/264,472.30 = 81,648.42/x
  3. Step 3: Cross multiply
    176,551.26x = 264,472.30 × 81,648.42
  4. Step 4: Simplify right side
    176,551.26x = 21,593,745,428.77
  5. Step 5: Solve for x
    x = 21,593,745,428.77/176,551.26
  6. Step 6: Final answer
    x = 122,308.65

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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.