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Finding the Fourth Proportional to 192,240.75, 265,277.30 and 111,655.11

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Solution

The fourth proportional to 192,240.75, 265,277.30 and 111,655.11 is: 154,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,240.75 : 265,277.30 = 111,655.11 : x
  2. Step 2: Convert to fraction form
    192,240.75/265,277.30 = 111,655.11/x
  3. Step 3: Cross multiply
    192,240.75x = 265,277.30 × 111,655.11
  4. Step 4: Simplify right side
    192,240.75x = 29,619,565,553.73
  5. Step 5: Solve for x
    x = 29,619,565,553.73/192,240.75
  6. Step 6: Final answer
    x = 154,075.37

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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.