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Finding the Fourth Proportional to 159,456.70, 238,889.85 and 92,928.70

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Solution

The fourth proportional to 159,456.70, 238,889.85 and 92,928.70 is: 139,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,456.70 : 238,889.85 = 92,928.70 : x
  2. Step 2: Convert to fraction form
    159,456.70/238,889.85 = 92,928.70/x
  3. Step 3: Cross multiply
    159,456.70x = 238,889.85 × 92,928.70
  4. Step 4: Simplify right side
    159,456.70x = 22,199,723,203.70
  5. Step 5: Solve for x
    x = 22,199,723,203.70/159,456.70
  6. Step 6: Final answer
    x = 139,221.01

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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.