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Finding the Fourth Proportional to 250,198.94, 345,274.66 and 135,477.63

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Solution

The fourth proportional to 250,198.94, 345,274.66 and 135,477.63 is: 186,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,198.94 : 345,274.66 = 135,477.63 : x
  2. Step 2: Convert to fraction form
    250,198.94/345,274.66 = 135,477.63/x
  3. Step 3: Cross multiply
    250,198.94x = 345,274.66 × 135,477.63
  4. Step 4: Simplify right side
    250,198.94x = 46,776,992,635.86
  5. Step 5: Solve for x
    x = 46,776,992,635.86/250,198.94
  6. Step 6: Final answer
    x = 186,959.20

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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.