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Finding the Fourth Proportional to 141,772.96, 212,664.56 and 48,266.56

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Solution

The fourth proportional to 141,772.96, 212,664.56 and 48,266.56 is: 72,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,772.96 : 212,664.56 = 48,266.56 : x
  2. Step 2: Convert to fraction form
    141,772.96/212,664.56 = 48,266.56/x
  3. Step 3: Cross multiply
    141,772.96x = 212,664.56 × 48,266.56
  4. Step 4: Simplify right side
    141,772.96x = 10,264,586,745.11
  5. Step 5: Solve for x
    x = 10,264,586,745.11/141,772.96
  6. Step 6: Final answer
    x = 72,401.58

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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.