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Finding the Fourth Proportional to 212,652.26, 319,040.72 and 62,896.56

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Solution

The fourth proportional to 212,652.26, 319,040.72 and 62,896.56 is: 94,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,652.26 : 319,040.72 = 62,896.56 : x
  2. Step 2: Convert to fraction form
    212,652.26/319,040.72 = 62,896.56/x
  3. Step 3: Cross multiply
    212,652.26x = 319,040.72 × 62,896.56
  4. Step 4: Simplify right side
    212,652.26x = 20,066,563,787.92
  5. Step 5: Solve for x
    x = 20,066,563,787.92/212,652.26
  6. Step 6: Final answer
    x = 94,363.28

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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.