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Finding the Fourth Proportional to 194,900.80, 292,351.20 and 54,683.20

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Solution

The fourth proportional to 194,900.80, 292,351.20 and 54,683.20 is: 82,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,900.80 : 292,351.20 = 54,683.20 : x
  2. Step 2: Convert to fraction form
    194,900.80/292,351.20 = 54,683.20/x
  3. Step 3: Cross multiply
    194,900.80x = 292,351.20 × 54,683.20
  4. Step 4: Simplify right side
    194,900.80x = 15,986,699,139.84
  5. Step 5: Solve for x
    x = 15,986,699,139.84/194,900.80
  6. Step 6: Final answer
    x = 82,024.80

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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.