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Finding the Fourth Proportional to 239,117.14, 358,723.01 and 68,340.39

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Solution

The fourth proportional to 239,117.14, 358,723.01 and 68,340.39 is: 102,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,117.14 : 358,723.01 = 68,340.39 : x
  2. Step 2: Convert to fraction form
    239,117.14/358,723.01 = 68,340.39/x
  3. Step 3: Cross multiply
    239,117.14x = 358,723.01 × 68,340.39
  4. Step 4: Simplify right side
    239,117.14x = 24,515,269,231.01
  5. Step 5: Solve for x
    x = 24,515,269,231.01/239,117.14
  6. Step 6: Final answer
    x = 102,524.10

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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.