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Finding the Fourth Proportional to 101,216.88, 151,743.27 and 42,096.81

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Solution

The fourth proportional to 101,216.88, 151,743.27 and 42,096.81 is: 63,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,216.88 : 151,743.27 = 42,096.81 : x
  2. Step 2: Convert to fraction form
    101,216.88/151,743.27 = 42,096.81/x
  3. Step 3: Cross multiply
    101,216.88x = 151,743.27 × 42,096.81
  4. Step 4: Simplify right side
    101,216.88x = 6,387,907,605.97
  5. Step 5: Solve for x
    x = 6,387,907,605.97/101,216.88
  6. Step 6: Final answer
    x = 63,111.09

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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.