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Finding the Fourth Proportional to 162,649.80, 243,974.70 and 62,814.60

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Solution

The fourth proportional to 162,649.80, 243,974.70 and 62,814.60 is: 94,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,649.80 : 243,974.70 = 62,814.60 : x
  2. Step 2: Convert to fraction form
    162,649.80/243,974.70 = 62,814.60/x
  3. Step 3: Cross multiply
    162,649.80x = 243,974.70 × 62,814.60
  4. Step 4: Simplify right side
    162,649.80x = 15,325,173,190.62
  5. Step 5: Solve for x
    x = 15,325,173,190.62/162,649.80
  6. Step 6: Final answer
    x = 94,221.90

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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.