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Finding the Fourth Proportional to 192,693.06, 265,916.97 and 106,658.01

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Solution

The fourth proportional to 192,693.06, 265,916.97 and 106,658.01 is: 147,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,693.06 : 265,916.97 = 106,658.01 : x
  2. Step 2: Convert to fraction form
    192,693.06/265,916.97 = 106,658.01/x
  3. Step 3: Cross multiply
    192,693.06x = 265,916.97 × 106,658.01
  4. Step 4: Simplify right side
    192,693.06x = 28,362,174,845.43
  5. Step 5: Solve for x
    x = 28,362,174,845.43/192,693.06
  6. Step 6: Final answer
    x = 147,188.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.