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Finding the Fourth Proportional to 194,812.65, 292,076.42 and 61,618.41

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Solution

The fourth proportional to 194,812.65, 292,076.42 and 61,618.41 is: 92,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,812.65 : 292,076.42 = 61,618.41 : x
  2. Step 2: Convert to fraction form
    194,812.65/292,076.42 = 61,618.41/x
  3. Step 3: Cross multiply
    194,812.65x = 292,076.42 × 61,618.41
  4. Step 4: Simplify right side
    194,812.65x = 17,997,284,290.80
  5. Step 5: Solve for x
    x = 17,997,284,290.80/194,812.65
  6. Step 6: Final answer
    x = 92,382.52

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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.