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Finding the Fourth Proportional to 246,111.96, 368,908.74 and 127,657.56

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Solution

The fourth proportional to 246,111.96, 368,908.74 and 127,657.56 is: 191,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,111.96 : 368,908.74 = 127,657.56 : x
  2. Step 2: Convert to fraction form
    246,111.96/368,908.74 = 127,657.56/x
  3. Step 3: Cross multiply
    246,111.96x = 368,908.74 × 127,657.56
  4. Step 4: Simplify right side
    246,111.96x = 47,093,989,611.07
  5. Step 5: Solve for x
    x = 47,093,989,611.07/246,111.96
  6. Step 6: Final answer
    x = 191,351.89

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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.