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Finding the Fourth Proportional to 159,885.20, 239,532.60 and 93,357.20

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Solution

The fourth proportional to 159,885.20, 239,532.60 and 93,357.20 is: 139,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,885.20 : 239,532.60 = 93,357.20 : x
  2. Step 2: Convert to fraction form
    159,885.20/239,532.60 = 93,357.20/x
  3. Step 3: Cross multiply
    159,885.20x = 239,532.60 × 93,357.20
  4. Step 4: Simplify right side
    159,885.20x = 22,362,092,844.72
  5. Step 5: Solve for x
    x = 22,362,092,844.72/159,885.20
  6. Step 6: Final answer
    x = 139,863.43

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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.