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Finding the Fourth Proportional to 162,724.36, 244,123.36 and 87,842.92

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Solution

The fourth proportional to 162,724.36, 244,123.36 and 87,842.92 is: 131,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,724.36 : 244,123.36 = 87,842.92 : x
  2. Step 2: Convert to fraction form
    162,724.36/244,123.36 = 87,842.92/x
  3. Step 3: Cross multiply
    162,724.36x = 244,123.36 × 87,842.92
  4. Step 4: Simplify right side
    162,724.36x = 21,444,508,782.61
  5. Step 5: Solve for x
    x = 21,444,508,782.61/162,724.36
  6. Step 6: Final answer
    x = 131,784.26

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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.