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Finding the Fourth Proportional to 143,059.70, 214,618.35 and 49,546.10

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Solution

The fourth proportional to 143,059.70, 214,618.35 and 49,546.10 is: 74,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,059.70 : 214,618.35 = 49,546.10 : x
  2. Step 2: Convert to fraction form
    143,059.70/214,618.35 = 49,546.10/x
  3. Step 3: Cross multiply
    143,059.70x = 214,618.35 × 49,546.10
  4. Step 4: Simplify right side
    143,059.70x = 10,633,502,230.94
  5. Step 5: Solve for x
    x = 10,633,502,230.94/143,059.70
  6. Step 6: Final answer
    x = 74,329.12

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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.