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Finding the Fourth Proportional to 101,478.40, 152,227.20 and 27,606.40

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Solution

The fourth proportional to 101,478.40, 152,227.20 and 27,606.40 is: 41,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,478.40 : 152,227.20 = 27,606.40 : x
  2. Step 2: Convert to fraction form
    101,478.40/152,227.20 = 27,606.40/x
  3. Step 3: Cross multiply
    101,478.40x = 152,227.20 × 27,606.40
  4. Step 4: Simplify right side
    101,478.40x = 4,202,444,974.08
  5. Step 5: Solve for x
    x = 4,202,444,974.08/101,478.40
  6. Step 6: Final answer
    x = 41,412.21

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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.