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Finding the Fourth Proportional to 141,640.65, 212,495.29 and 41,798.63

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Solution

The fourth proportional to 141,640.65, 212,495.29 and 41,798.63 is: 62,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,640.65 : 212,495.29 = 41,798.63 : x
  2. Step 2: Convert to fraction form
    141,640.65/212,495.29 = 41,798.63/x
  3. Step 3: Cross multiply
    141,640.65x = 212,495.29 × 41,798.63
  4. Step 4: Simplify right side
    141,640.65x = 8,882,010,940.98
  5. Step 5: Solve for x
    x = 8,882,010,940.98/141,640.65
  6. Step 6: Final answer
    x = 62,708.07

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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.