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Finding the Fourth Proportional to 159,896.66, 239,995.68 and 117,647.93

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Solution

The fourth proportional to 159,896.66, 239,995.68 and 117,647.93 is: 176,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,896.66 : 239,995.68 = 117,647.93 : x
  2. Step 2: Convert to fraction form
    159,896.66/239,995.68 = 117,647.93/x
  3. Step 3: Cross multiply
    159,896.66x = 239,995.68 × 117,647.93
  4. Step 4: Simplify right side
    159,896.66x = 28,234,993,760.96
  5. Step 5: Solve for x
    x = 28,234,993,760.96/159,896.66
  6. Step 6: Final answer
    x = 176,582.77

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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.