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Finding the Fourth Proportional to 159,784.70, 239,676.75 and 93,178.12

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Solution

The fourth proportional to 159,784.70, 239,676.75 and 93,178.12 is: 139,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,784.70 : 239,676.75 = 93,178.12 : x
  2. Step 2: Convert to fraction form
    159,784.70/239,676.75 = 93,178.12/x
  3. Step 3: Cross multiply
    159,784.70x = 239,676.75 × 93,178.12
  4. Step 4: Simplify right side
    159,784.70x = 22,332,629,234.94
  5. Step 5: Solve for x
    x = 22,332,629,234.94/159,784.70
  6. Step 6: Final answer
    x = 139,767.01

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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.