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Finding the Fourth Proportional to 268,657.32, 370,741.94 and 147,791.56

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Solution

The fourth proportional to 268,657.32, 370,741.94 and 147,791.56 is: 203,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,657.32 : 370,741.94 = 147,791.56 : x
  2. Step 2: Convert to fraction form
    268,657.32/370,741.94 = 147,791.56/x
  3. Step 3: Cross multiply
    268,657.32x = 370,741.94 × 147,791.56
  4. Step 4: Simplify right side
    268,657.32x = 54,792,529,670.03
  5. Step 5: Solve for x
    x = 54,792,529,670.03/268,657.32
  6. Step 6: Final answer
    x = 203,949.51

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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.