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Finding the Fourth Proportional to 192,797.42, 265,805.55 and 158,216.09

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Solution

The fourth proportional to 192,797.42, 265,805.55 and 158,216.09 is: 218,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,797.42 : 265,805.55 = 158,216.09 : x
  2. Step 2: Convert to fraction form
    192,797.42/265,805.55 = 158,216.09/x
  3. Step 3: Cross multiply
    192,797.42x = 265,805.55 × 158,216.09
  4. Step 4: Simplify right side
    192,797.42x = 42,054,713,492.27
  5. Step 5: Solve for x
    x = 42,054,713,492.27/192,797.42
  6. Step 6: Final answer
    x = 218,129.03

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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.