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Finding the Fourth Proportional to 93,469.98, 139,489.62 and 83,497.26

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Solution

The fourth proportional to 93,469.98, 139,489.62 and 83,497.26 is: 124,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,469.98 : 139,489.62 = 83,497.26 : x
  2. Step 2: Convert to fraction form
    93,469.98/139,489.62 = 83,497.26/x
  3. Step 3: Cross multiply
    93,469.98x = 139,489.62 × 83,497.26
  4. Step 4: Simplify right side
    93,469.98x = 11,647,001,068.44
  5. Step 5: Solve for x
    x = 11,647,001,068.44/93,469.98
  6. Step 6: Final answer
    x = 124,606.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.