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Finding the Fourth Proportional to 141,554, 212,363.81 and 48,059.75

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Solution

The fourth proportional to 141,554, 212,363.81 and 48,059.75 is: 72,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,554 : 212,363.81 = 48,059.75 : x
  2. Step 2: Convert to fraction form
    141,554/212,363.81 = 48,059.75/x
  3. Step 3: Cross multiply
    141,554x = 212,363.81 × 48,059.75
  4. Step 4: Simplify right side
    141,554x = 10,206,151,617.65
  5. Step 5: Solve for x
    x = 10,206,151,617.65/141,554
  6. Step 6: Final answer
    x = 72,100.76

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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.