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Finding the Fourth Proportional to 101,544.40, 152,326.20 and 27,672.40

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Solution

The fourth proportional to 101,544.40, 152,326.20 and 27,672.40 is: 41,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.40 : 152,326.20 = 27,672.40 : x
  2. Step 2: Convert to fraction form
    101,544.40/152,326.20 = 27,672.40/x
  3. Step 3: Cross multiply
    101,544.40x = 152,326.20 × 27,672.40
  4. Step 4: Simplify right side
    101,544.40x = 4,215,231,536.88
  5. Step 5: Solve for x
    x = 4,215,231,536.88/101,544.40
  6. Step 6: Final answer
    x = 41,511.22

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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.