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Finding the Fourth Proportional to 159,806.64, 239,647.66 and 59,912.38

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Solution

The fourth proportional to 159,806.64, 239,647.66 and 59,912.38 is: 89,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,806.64 : 239,647.66 = 59,912.38 : x
  2. Step 2: Convert to fraction form
    159,806.64/239,647.66 = 59,912.38/x
  3. Step 3: Cross multiply
    159,806.64x = 239,647.66 × 59,912.38
  4. Step 4: Simplify right side
    159,806.64x = 14,357,860,923.13
  5. Step 5: Solve for x
    x = 14,357,860,923.13/159,806.64
  6. Step 6: Final answer
    x = 89,845.21

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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.