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Finding the Fourth Proportional to 194,638.71, 268,601.47 and 109,755.80

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Solution

The fourth proportional to 194,638.71, 268,601.47 and 109,755.80 is: 151,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,638.71 : 268,601.47 = 109,755.80 : x
  2. Step 2: Convert to fraction form
    194,638.71/268,601.47 = 109,755.80/x
  3. Step 3: Cross multiply
    194,638.71x = 268,601.47 × 109,755.80
  4. Step 4: Simplify right side
    194,638.71x = 29,480,569,221.03
  5. Step 5: Solve for x
    x = 29,480,569,221.03/194,638.71
  6. Step 6: Final answer
    x = 151,463.03

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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.