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Finding the Fourth Proportional to 196,107.84, 270,592.83 and 131,670.63

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Solution

The fourth proportional to 196,107.84, 270,592.83 and 131,670.63 is: 181,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,107.84 : 270,592.83 = 131,670.63 : x
  2. Step 2: Convert to fraction form
    196,107.84/270,592.83 = 131,670.63/x
  3. Step 3: Cross multiply
    196,107.84x = 270,592.83 × 131,670.63
  4. Step 4: Simplify right side
    196,107.84x = 35,629,128,399.58
  5. Step 5: Solve for x
    x = 35,629,128,399.58/196,107.84
  6. Step 6: Final answer
    x = 181,681.31

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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.