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Finding the Fourth Proportional to 159,993.45, 240,034.68 and 70,020.14

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Solution

The fourth proportional to 159,993.45, 240,034.68 and 70,020.14 is: 105,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,993.45 : 240,034.68 = 70,020.14 : x
  2. Step 2: Convert to fraction form
    159,993.45/240,034.68 = 70,020.14/x
  3. Step 3: Cross multiply
    159,993.45x = 240,034.68 × 70,020.14
  4. Step 4: Simplify right side
    159,993.45x = 16,807,260,698.28
  5. Step 5: Solve for x
    x = 16,807,260,698.28/159,993.45
  6. Step 6: Final answer
    x = 105,049.68

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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.