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Finding the Fourth Proportional to 159,889.36, 220,513.80 and 119,698.24

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Solution

The fourth proportional to 159,889.36, 220,513.80 and 119,698.24 is: 165,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,889.36 : 220,513.80 = 119,698.24 : x
  2. Step 2: Convert to fraction form
    159,889.36/220,513.80 = 119,698.24/x
  3. Step 3: Cross multiply
    159,889.36x = 220,513.80 × 119,698.24
  4. Step 4: Simplify right side
    159,889.36x = 26,395,113,755.71
  5. Step 5: Solve for x
    x = 26,395,113,755.71/159,889.36
  6. Step 6: Final answer
    x = 165,083.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.