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Finding the Fourth Proportional to 159,856.48, 239,622.47 and 136,525.48

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Solution

The fourth proportional to 159,856.48, 239,622.47 and 136,525.48 is: 204,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,856.48 : 239,622.47 = 136,525.48 : x
  2. Step 2: Convert to fraction form
    159,856.48/239,622.47 = 136,525.48/x
  3. Step 3: Cross multiply
    159,856.48x = 239,622.47 × 136,525.48
  4. Step 4: Simplify right side
    159,856.48x = 32,714,572,735.54
  5. Step 5: Solve for x
    x = 32,714,572,735.54/159,856.48
  6. Step 6: Final answer
    x = 204,649.65

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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.