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Finding the Fourth Proportional to 162,952.70, 244,496.54 and 87,984.77

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Solution

The fourth proportional to 162,952.70, 244,496.54 and 87,984.77 is: 132,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,952.70 : 244,496.54 = 87,984.77 : x
  2. Step 2: Convert to fraction form
    162,952.70/244,496.54 = 87,984.77/x
  3. Step 3: Cross multiply
    162,952.70x = 244,496.54 × 87,984.77
  4. Step 4: Simplify right side
    162,952.70x = 21,511,970,835.18
  5. Step 5: Solve for x
    x = 21,511,970,835.18/162,952.70
  6. Step 6: Final answer
    x = 132,013.59

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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.