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Finding the Fourth Proportional to 212,772, 293,627.33 and 117,282.11

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Solution

The fourth proportional to 212,772, 293,627.33 and 117,282.11 is: 161,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,772 : 293,627.33 = 117,282.11 : x
  2. Step 2: Convert to fraction form
    212,772/293,627.33 = 117,282.11/x
  3. Step 3: Cross multiply
    212,772x = 293,627.33 × 117,282.11
  4. Step 4: Simplify right side
    212,772x = 34,437,230,761.52
  5. Step 5: Solve for x
    x = 34,437,230,761.52/212,772
  6. Step 6: Final answer
    x = 161,850.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.