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Finding the Fourth Proportional to 101,118.56, 151,554.85 and 71,544.92

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Solution

The fourth proportional to 101,118.56, 151,554.85 and 71,544.92 is: 107,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,118.56 : 151,554.85 = 71,544.92 : x
  2. Step 2: Convert to fraction form
    101,118.56/151,554.85 = 71,544.92/x
  3. Step 3: Cross multiply
    101,118.56x = 151,554.85 × 71,544.92
  4. Step 4: Simplify right side
    101,118.56x = 10,842,978,682.23
  5. Step 5: Solve for x
    x = 10,842,978,682.23/101,118.56
  6. Step 6: Final answer
    x = 107,230.36

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1.5x scale

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.