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Finding the Fourth Proportional to 159,168.44, 238,432.30 and 73,658.76

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Solution

The fourth proportional to 159,168.44, 238,432.30 and 73,658.76 is: 110,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,168.44 : 238,432.30 = 73,658.76 : x
  2. Step 2: Convert to fraction form
    159,168.44/238,432.30 = 73,658.76/x
  3. Step 3: Cross multiply
    159,168.44x = 238,432.30 × 73,658.76
  4. Step 4: Simplify right side
    159,168.44x = 17,562,627,561.95
  5. Step 5: Solve for x
    x = 17,562,627,561.95/159,168.44
  6. Step 6: Final answer
    x = 110,339.89

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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.