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Finding the Fourth Proportional to 159,922.01, 220,693.44 and 87,325.41

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Solution

The fourth proportional to 159,922.01, 220,693.44 and 87,325.41 is: 120,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,922.01 : 220,693.44 = 87,325.41 : x
  2. Step 2: Convert to fraction form
    159,922.01/220,693.44 = 87,325.41/x
  3. Step 3: Cross multiply
    159,922.01x = 220,693.44 × 87,325.41
  4. Step 4: Simplify right side
    159,922.01x = 19,272,144,028.84
  5. Step 5: Solve for x
    x = 19,272,144,028.84/159,922.01
  6. Step 6: Final answer
    x = 120,509.64

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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.