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Finding the Fourth Proportional to 159,600.94, 239,310.69 and 66,055.66

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Solution

The fourth proportional to 159,600.94, 239,310.69 and 66,055.66 is: 99,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,600.94 : 239,310.69 = 66,055.66 : x
  2. Step 2: Convert to fraction form
    159,600.94/239,310.69 = 66,055.66/x
  3. Step 3: Cross multiply
    159,600.94x = 239,310.69 × 66,055.66
  4. Step 4: Simplify right side
    159,600.94x = 15,807,825,573.01
  5. Step 5: Solve for x
    x = 15,807,825,573.01/159,600.94
  6. Step 6: Final answer
    x = 99,045.94

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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.