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Finding the Fourth Proportional to 196,618.54, 294,926.89 and 61,692.49

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Solution

The fourth proportional to 196,618.54, 294,926.89 and 61,692.49 is: 92,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,618.54 : 294,926.89 = 61,692.49 : x
  2. Step 2: Convert to fraction form
    196,618.54/294,926.89 = 61,692.49/x
  3. Step 3: Cross multiply
    196,618.54x = 294,926.89 × 61,692.49
  4. Step 4: Simplify right side
    196,618.54x = 18,194,774,212.06
  5. Step 5: Solve for x
    x = 18,194,774,212.06/196,618.54
  6. Step 6: Final answer
    x = 92,538.45

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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.