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Finding the Fourth Proportional to 265,768.56, 366,791.76 and 151,064.43

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Solution

The fourth proportional to 265,768.56, 366,791.76 and 151,064.43 is: 208,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,768.56 : 366,791.76 = 151,064.43 : x
  2. Step 2: Convert to fraction form
    265,768.56/366,791.76 = 151,064.43/x
  3. Step 3: Cross multiply
    265,768.56x = 366,791.76 × 151,064.43
  4. Step 4: Simplify right side
    265,768.56x = 55,409,186,777.63
  5. Step 5: Solve for x
    x = 55,409,186,777.63/265,768.56
  6. Step 6: Final answer
    x = 208,486.61

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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.