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Finding the Fourth Proportional to 92,866.02, 139,359.24 and 33,696.60

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Solution

The fourth proportional to 92,866.02, 139,359.24 and 33,696.60 is: 50,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,866.02 : 139,359.24 = 33,696.60 : x
  2. Step 2: Convert to fraction form
    92,866.02/139,359.24 = 33,696.60/x
  3. Step 3: Cross multiply
    92,866.02x = 139,359.24 × 33,696.60
  4. Step 4: Simplify right side
    92,866.02x = 4,695,932,566.58
  5. Step 5: Solve for x
    x = 4,695,932,566.58/92,866.02
  6. Step 6: Final answer
    x = 50,566.75

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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.