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Finding the Fourth Proportional to 159,335.87, 238,893.07 and 70,540.94

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Solution

The fourth proportional to 159,335.87, 238,893.07 and 70,540.94 is: 105,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,335.87 : 238,893.07 = 70,540.94 : x
  2. Step 2: Convert to fraction form
    159,335.87/238,893.07 = 70,540.94/x
  3. Step 3: Cross multiply
    159,335.87x = 238,893.07 × 70,540.94
  4. Step 4: Simplify right side
    159,335.87x = 16,851,741,717.29
  5. Step 5: Solve for x
    x = 16,851,741,717.29/159,335.87
  6. Step 6: Final answer
    x = 105,762.39

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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.