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Finding the Fourth Proportional to 367,763, 551,644.53 and 118,445

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Solution

The fourth proportional to 367,763, 551,644.53 and 118,445 is: 177,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,763 : 551,644.53 = 118,445 : x
  2. Step 2: Convert to fraction form
    367,763/551,644.53 = 118,445/x
  3. Step 3: Cross multiply
    367,763x = 551,644.53 × 118,445
  4. Step 4: Simplify right side
    367,763x = 65,339,536,355.85
  5. Step 5: Solve for x
    x = 65,339,536,355.85/367,763
  6. Step 6: Final answer
    x = 177,667.51

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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.