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Finding the Fourth Proportional to 159,571.82, 220,199.22 and 87,952.46

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Solution

The fourth proportional to 159,571.82, 220,199.22 and 87,952.46 is: 121,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,571.82 : 220,199.22 = 87,952.46 : x
  2. Step 2: Convert to fraction form
    159,571.82/220,199.22 = 87,952.46/x
  3. Step 3: Cross multiply
    159,571.82x = 220,199.22 × 87,952.46
  4. Step 4: Simplify right side
    159,571.82x = 19,367,063,089.08
  5. Step 5: Solve for x
    x = 19,367,063,089.08/159,571.82
  6. Step 6: Final answer
    x = 121,368.94

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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.