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Finding the Fourth Proportional to 124,514.60, 186,771.90 and 41,408.60

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Solution

The fourth proportional to 124,514.60, 186,771.90 and 41,408.60 is: 62,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,514.60 : 186,771.90 = 41,408.60 : x
  2. Step 2: Convert to fraction form
    124,514.60/186,771.90 = 41,408.60/x
  3. Step 3: Cross multiply
    124,514.60x = 186,771.90 × 41,408.60
  4. Step 4: Simplify right side
    124,514.60x = 7,733,962,898.34
  5. Step 5: Solve for x
    x = 7,733,962,898.34/124,514.60
  6. Step 6: Final answer
    x = 62,112.90

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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.