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Finding the Fourth Proportional to 161,022.60, 241,728.30 and 159,856.20

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Solution

The fourth proportional to 161,022.60, 241,728.30 and 159,856.20 is: 239,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,022.60 : 241,728.30 = 159,856.20 : x
  2. Step 2: Convert to fraction form
    161,022.60/241,728.30 = 159,856.20/x
  3. Step 3: Cross multiply
    161,022.60x = 241,728.30 × 159,856.20
  4. Step 4: Simplify right side
    161,022.60x = 38,641,767,470.46
  5. Step 5: Solve for x
    x = 38,641,767,470.46/161,022.60
  6. Step 6: Final answer
    x = 239,977.29

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1.5x scale

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.