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Finding the Fourth Proportional to 196,687.70, 271,426.11 and 110,640.19

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Solution

The fourth proportional to 196,687.70, 271,426.11 and 110,640.19 is: 152,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,687.70 : 271,426.11 = 110,640.19 : x
  2. Step 2: Convert to fraction form
    196,687.70/271,426.11 = 110,640.19/x
  3. Step 3: Cross multiply
    196,687.70x = 271,426.11 × 110,640.19
  4. Step 4: Simplify right side
    196,687.70x = 30,030,636,381.36
  5. Step 5: Solve for x
    x = 30,030,636,381.36/196,687.70
  6. Step 6: Final answer
    x = 152,681.82

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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.