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Finding the Fourth Proportional to 195,653.77, 270,006.52 and 109,619.11

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Solution

The fourth proportional to 195,653.77, 270,006.52 and 109,619.11 is: 151,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,653.77 : 270,006.52 = 109,619.11 : x
  2. Step 2: Convert to fraction form
    195,653.77/270,006.52 = 109,619.11/x
  3. Step 3: Cross multiply
    195,653.77x = 270,006.52 × 109,619.11
  4. Step 4: Simplify right side
    195,653.77x = 29,597,873,066.56
  5. Step 5: Solve for x
    x = 29,597,873,066.56/195,653.77
  6. Step 6: Final answer
    x = 151,276.79

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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.