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Finding the Fourth Proportional to 192,693.03, 265,916.78 and 106,657.89

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Solution

The fourth proportional to 192,693.03, 265,916.78 and 106,657.89 is: 147,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,693.03 : 265,916.78 = 106,657.89 : x
  2. Step 2: Convert to fraction form
    192,693.03/265,916.78 = 106,657.89/x
  3. Step 3: Cross multiply
    192,693.03x = 265,916.78 × 106,657.89
  4. Step 4: Simplify right side
    192,693.03x = 28,362,122,670.39
  5. Step 5: Solve for x
    x = 28,362,122,670.39/192,693.03
  6. Step 6: Final answer
    x = 147,188.11

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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.