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Finding the Fourth Proportional to 101,278.58, 151,936.31 and 34,725.42

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Solution

The fourth proportional to 101,278.58, 151,936.31 and 34,725.42 is: 52,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,278.58 : 151,936.31 = 34,725.42 : x
  2. Step 2: Convert to fraction form
    101,278.58/151,936.31 = 34,725.42/x
  3. Step 3: Cross multiply
    101,278.58x = 151,936.31 × 34,725.42
  4. Step 4: Simplify right side
    101,278.58x = 5,276,052,264.81
  5. Step 5: Solve for x
    x = 5,276,052,264.81/101,278.58
  6. Step 6: Final answer
    x = 52,094.46

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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.