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Finding the Fourth Proportional to 151,012.60, 226,664.70 and 91,963.60

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Solution

The fourth proportional to 151,012.60, 226,664.70 and 91,963.60 is: 138,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,012.60 : 226,664.70 = 91,963.60 : x
  2. Step 2: Convert to fraction form
    151,012.60/226,664.70 = 91,963.60/x
  3. Step 3: Cross multiply
    151,012.60x = 226,664.70 × 91,963.60
  4. Step 4: Simplify right side
    151,012.60x = 20,844,901,804.92
  5. Step 5: Solve for x
    x = 20,844,901,804.92/151,012.60
  6. Step 6: Final answer
    x = 138,034.19

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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.