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Finding the Fourth Proportional to 205,715.58, 308,462.41 and 93,334.47

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Solution

The fourth proportional to 205,715.58, 308,462.41 and 93,334.47 is: 139,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,715.58 : 308,462.41 = 93,334.47 : x
  2. Step 2: Convert to fraction form
    205,715.58/308,462.41 = 93,334.47/x
  3. Step 3: Cross multiply
    205,715.58x = 308,462.41 × 93,334.47
  4. Step 4: Simplify right side
    205,715.58x = 28,790,175,552.27
  5. Step 5: Solve for x
    x = 28,790,175,552.27/205,715.58
  6. Step 6: Final answer
    x = 139,951.36

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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.