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Finding the Fourth Proportional to 159,879.36, 220,632.30 and 88,259.46

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Solution

The fourth proportional to 159,879.36, 220,632.30 and 88,259.46 is: 121,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,879.36 : 220,632.30 = 88,259.46 : x
  2. Step 2: Convert to fraction form
    159,879.36/220,632.30 = 88,259.46/x
  3. Step 3: Cross multiply
    159,879.36x = 220,632.30 × 88,259.46
  4. Step 4: Simplify right side
    159,879.36x = 19,472,887,656.56
  5. Step 5: Solve for x
    x = 19,472,887,656.56/159,879.36
  6. Step 6: Final answer
    x = 121,797.38

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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.