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Finding the Fourth Proportional to 196,369.65, 294,548.59 and 54,223.56

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Solution

The fourth proportional to 196,369.65, 294,548.59 and 54,223.56 is: 81,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,369.65 : 294,548.59 = 54,223.56 : x
  2. Step 2: Convert to fraction form
    196,369.65/294,548.59 = 54,223.56/x
  3. Step 3: Cross multiply
    196,369.65x = 294,548.59 × 54,223.56
  4. Step 4: Simplify right side
    196,369.65x = 15,971,473,142.78
  5. Step 5: Solve for x
    x = 15,971,473,142.78/196,369.65
  6. Step 6: Final answer
    x = 81,333.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.