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Finding the Fourth Proportional to 101,352.24, 139,786.20 and 94,561.56

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Solution

The fourth proportional to 101,352.24, 139,786.20 and 94,561.56 is: 130,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,352.24 : 139,786.20 = 94,561.56 : x
  2. Step 2: Convert to fraction form
    101,352.24/139,786.20 = 94,561.56/x
  3. Step 3: Cross multiply
    101,352.24x = 139,786.20 × 94,561.56
  4. Step 4: Simplify right side
    101,352.24x = 13,218,401,138.47
  5. Step 5: Solve for x
    x = 13,218,401,138.47/101,352.24
  6. Step 6: Final answer
    x = 130,420.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.