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Finding the Fourth Proportional to 194,369.94, 268,238.84 and 108,328.91

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Solution

The fourth proportional to 194,369.94, 268,238.84 and 108,328.91 is: 149,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,369.94 : 268,238.84 = 108,328.91 : x
  2. Step 2: Convert to fraction form
    194,369.94/268,238.84 = 108,328.91/x
  3. Step 3: Cross multiply
    194,369.94x = 268,238.84 × 108,328.91
  4. Step 4: Simplify right side
    194,369.94x = 29,058,019,274.03
  5. Step 5: Solve for x
    x = 29,058,019,274.03/194,369.94
  6. Step 6: Final answer
    x = 149,498.52

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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.