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Finding the Fourth Proportional to 192,608.70, 265,739.67 and 112,019.10

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Solution

The fourth proportional to 192,608.70, 265,739.67 and 112,019.10 is: 154,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,608.70 : 265,739.67 = 112,019.10 : x
  2. Step 2: Convert to fraction form
    192,608.70/265,739.67 = 112,019.10/x
  3. Step 3: Cross multiply
    192,608.70x = 265,739.67 × 112,019.10
  4. Step 4: Simplify right side
    192,608.70x = 29,767,918,667.70
  5. Step 5: Solve for x
    x = 29,767,918,667.70/192,608.70
  6. Step 6: Final answer
    x = 154,551.27

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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.