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Finding the Fourth Proportional to 159,334.87, 238,891.57 and 70,539.94

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Solution

The fourth proportional to 159,334.87, 238,891.57 and 70,539.94 is: 105,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,334.87 : 238,891.57 = 70,539.94 : x
  2. Step 2: Convert to fraction form
    159,334.87/238,891.57 = 70,539.94/x
  3. Step 3: Cross multiply
    159,334.87x = 238,891.57 × 70,539.94
  4. Step 4: Simplify right side
    159,334.87x = 16,851,397,014.31
  5. Step 5: Solve for x
    x = 16,851,397,014.31/159,334.87
  6. Step 6: Final answer
    x = 105,760.89

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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.