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Finding the Fourth Proportional to 159,847.96, 220,574.46 and 88,223.36

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Solution

The fourth proportional to 159,847.96, 220,574.46 and 88,223.36 is: 121,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847.96 : 220,574.46 = 88,223.36 : x
  2. Step 2: Convert to fraction form
    159,847.96/220,574.46 = 88,223.36/x
  3. Step 3: Cross multiply
    159,847.96x = 220,574.46 × 88,223.36
  4. Step 4: Simplify right side
    159,847.96x = 19,459,819,991.39
  5. Step 5: Solve for x
    x = 19,459,819,991.39/159,847.96
  6. Step 6: Final answer
    x = 121,739.56

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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.