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Finding the Fourth Proportional to 167,219.63, 250,828.52 and 40,860.57

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Solution

The fourth proportional to 167,219.63, 250,828.52 and 40,860.57 is: 61,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,219.63 : 250,828.52 = 40,860.57 : x
  2. Step 2: Convert to fraction form
    167,219.63/250,828.52 = 40,860.57/x
  3. Step 3: Cross multiply
    167,219.63x = 250,828.52 × 40,860.57
  4. Step 4: Simplify right side
    167,219.63x = 10,248,997,188.99
  5. Step 5: Solve for x
    x = 10,248,997,188.99/167,219.63
  6. Step 6: Final answer
    x = 61,290.63

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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.