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Finding the Fourth Proportional to 239,003.45, 358,566.68 and 70,516.97

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Solution

The fourth proportional to 239,003.45, 358,566.68 and 70,516.97 is: 105,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,003.45 : 358,566.68 = 70,516.97 : x
  2. Step 2: Convert to fraction form
    239,003.45/358,566.68 = 70,516.97/x
  3. Step 3: Cross multiply
    239,003.45x = 358,566.68 × 70,516.97
  4. Step 4: Simplify right side
    239,003.45x = 25,285,035,816.56
  5. Step 5: Solve for x
    x = 25,285,035,816.56/239,003.45
  6. Step 6: Final answer
    x = 105,793.60

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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.