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Finding the Fourth Proportional to 159,450.63, 239,143.08 and 70,647.49

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Solution

The fourth proportional to 159,450.63, 239,143.08 and 70,647.49 is: 105,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,450.63 : 239,143.08 = 70,647.49 : x
  2. Step 2: Convert to fraction form
    159,450.63/239,143.08 = 70,647.49/x
  3. Step 3: Cross multiply
    159,450.63x = 239,143.08 × 70,647.49
  4. Step 4: Simplify right side
    159,450.63x = 16,894,858,916.73
  5. Step 5: Solve for x
    x = 16,894,858,916.73/159,450.63
  6. Step 6: Final answer
    x = 105,956.68

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1.5x scale

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.