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Finding the Fourth Proportional to 162,784.49, 244,246.73 and 87,889.73

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Solution

The fourth proportional to 162,784.49, 244,246.73 and 87,889.73 is: 131,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,784.49 : 244,246.73 = 87,889.73 : x
  2. Step 2: Convert to fraction form
    162,784.49/244,246.73 = 87,889.73/x
  3. Step 3: Cross multiply
    162,784.49x = 244,246.73 × 87,889.73
  4. Step 4: Simplify right side
    162,784.49x = 21,466,777,492.40
  5. Step 5: Solve for x
    x = 21,466,777,492.40/162,784.49
  6. Step 6: Final answer
    x = 131,872.38

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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.