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Finding the Fourth Proportional to 159,578.94, 239,374.50 and 59,728.62

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Solution

The fourth proportional to 159,578.94, 239,374.50 and 59,728.62 is: 89,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,578.94 : 239,374.50 = 59,728.62 : x
  2. Step 2: Convert to fraction form
    159,578.94/239,374.50 = 59,728.62/x
  3. Step 3: Cross multiply
    159,578.94x = 239,374.50 × 59,728.62
  4. Step 4: Simplify right side
    159,578.94x = 14,297,508,548.19
  5. Step 5: Solve for x
    x = 14,297,508,548.19/159,578.94
  6. Step 6: Final answer
    x = 89,595.21

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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.