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Finding the Fourth Proportional to 101,127.79, 151,690.47 and 26,241.27

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Solution

The fourth proportional to 101,127.79, 151,690.47 and 26,241.27 is: 39,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,127.79 : 151,690.47 = 26,241.27 : x
  2. Step 2: Convert to fraction form
    101,127.79/151,690.47 = 26,241.27/x
  3. Step 3: Cross multiply
    101,127.79x = 151,690.47 × 26,241.27
  4. Step 4: Simplify right side
    101,127.79x = 3,980,550,579.70
  5. Step 5: Solve for x
    x = 3,980,550,579.70/101,127.79
  6. Step 6: Final answer
    x = 39,361.59

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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.