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Finding the Fourth Proportional to 196,775.80, 271,525.67 and 111,894.68

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Solution

The fourth proportional to 196,775.80, 271,525.67 and 111,894.68 is: 154,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,775.80 : 271,525.67 = 111,894.68 : x
  2. Step 2: Convert to fraction form
    196,775.80/271,525.67 = 111,894.68/x
  3. Step 3: Cross multiply
    196,775.80x = 271,525.67 × 111,894.68
  4. Step 4: Simplify right side
    196,775.80x = 30,382,278,495.38
  5. Step 5: Solve for x
    x = 30,382,278,495.38/196,775.80
  6. Step 6: Final answer
    x = 154,400.48

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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.