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Finding the Fourth Proportional to 159,866.70, 220,585.36 and 96,208.59

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Solution

The fourth proportional to 159,866.70, 220,585.36 and 96,208.59 is: 132,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,866.70 : 220,585.36 = 96,208.59 : x
  2. Step 2: Convert to fraction form
    159,866.70/220,585.36 = 96,208.59/x
  3. Step 3: Cross multiply
    159,866.70x = 220,585.36 × 96,208.59
  4. Step 4: Simplify right side
    159,866.70x = 21,222,206,460.24
  5. Step 5: Solve for x
    x = 21,222,206,460.24/159,866.70
  6. Step 6: Final answer
    x = 132,749.39

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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.