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Finding the Fourth Proportional to 162,898.80, 244,348.20 and 52,090.80

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Solution

The fourth proportional to 162,898.80, 244,348.20 and 52,090.80 is: 78,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,898.80 : 244,348.20 = 52,090.80 : x
  2. Step 2: Convert to fraction form
    162,898.80/244,348.20 = 52,090.80/x
  3. Step 3: Cross multiply
    162,898.80x = 244,348.20 × 52,090.80
  4. Step 4: Simplify right side
    162,898.80x = 12,728,293,216.56
  5. Step 5: Solve for x
    x = 12,728,293,216.56/162,898.80
  6. Step 6: Final answer
    x = 78,136.20

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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.