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Finding the Fourth Proportional to 239,915.68, 359,587.23 and 111,659.37

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Solution

The fourth proportional to 239,915.68, 359,587.23 and 111,659.37 is: 167,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,915.68 : 359,587.23 = 111,659.37 : x
  2. Step 2: Convert to fraction form
    239,915.68/359,587.23 = 111,659.37/x
  3. Step 3: Cross multiply
    239,915.68x = 359,587.23 × 111,659.37
  4. Step 4: Simplify right side
    239,915.68x = 40,151,283,561.85
  5. Step 5: Solve for x
    x = 40,151,283,561.85/239,915.68
  6. Step 6: Final answer
    x = 167,355.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.