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Finding the Fourth Proportional to 239,107.94, 358,578.48 and 70,583.66

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Solution

The fourth proportional to 239,107.94, 358,578.48 and 70,583.66 is: 105,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,107.94 : 358,578.48 = 70,583.66 : x
  2. Step 2: Convert to fraction form
    239,107.94/358,578.48 = 70,583.66/x
  3. Step 3: Cross multiply
    239,107.94x = 358,578.48 × 70,583.66
  4. Step 4: Simplify right side
    239,107.94x = 25,309,781,515.64
  5. Step 5: Solve for x
    x = 25,309,781,515.64/239,107.94
  6. Step 6: Final answer
    x = 105,850.86

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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.