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Finding the Fourth Proportional to 122,344.88, 168,738.54 and 101,087.24

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Solution

The fourth proportional to 122,344.88, 168,738.54 and 101,087.24 is: 139,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,344.88 : 168,738.54 = 101,087.24 : x
  2. Step 2: Convert to fraction form
    122,344.88/168,738.54 = 101,087.24/x
  3. Step 3: Cross multiply
    122,344.88x = 168,738.54 × 101,087.24
  4. Step 4: Simplify right side
    122,344.88x = 17,057,313,290.23
  5. Step 5: Solve for x
    x = 17,057,313,290.23/122,344.88
  6. Step 6: Final answer
    x = 139,419.92

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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.