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Finding the Fourth Proportional to 104,745.23, 157,118.16 and 25,859.46

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Solution

The fourth proportional to 104,745.23, 157,118.16 and 25,859.46 is: 38,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.23 : 157,118.16 = 25,859.46 : x
  2. Step 2: Convert to fraction form
    104,745.23/157,118.16 = 25,859.46/x
  3. Step 3: Cross multiply
    104,745.23x = 157,118.16 × 25,859.46
  4. Step 4: Simplify right side
    104,745.23x = 4,062,991,034.84
  5. Step 5: Solve for x
    x = 4,062,991,034.84/104,745.23
  6. Step 6: Final answer
    x = 38,789.27

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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.