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Finding the Fourth Proportional to 141,518.34, 212,243.49 and 41,651.42

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Solution

The fourth proportional to 141,518.34, 212,243.49 and 41,651.42 is: 62,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,518.34 : 212,243.49 = 41,651.42 : x
  2. Step 2: Convert to fraction form
    141,518.34/212,243.49 = 41,651.42/x
  3. Step 3: Cross multiply
    141,518.34x = 212,243.49 × 41,651.42
  4. Step 4: Simplify right side
    141,518.34x = 8,840,241,683.04
  5. Step 5: Solve for x
    x = 8,840,241,683.04/141,518.34
  6. Step 6: Final answer
    x = 62,467.11

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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.