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Finding the Fourth Proportional to 340,706.22, 470,168.22 and 187,758.57

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Solution

The fourth proportional to 340,706.22, 470,168.22 and 187,758.57 is: 259,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,706.22 : 470,168.22 = 187,758.57 : x
  2. Step 2: Convert to fraction form
    340,706.22/470,168.22 = 187,758.57/x
  3. Step 3: Cross multiply
    340,706.22x = 470,168.22 × 187,758.57
  4. Step 4: Simplify right side
    340,706.22x = 88,278,112,646.65
  5. Step 5: Solve for x
    x = 88,278,112,646.65/340,706.22
  6. Step 6: Final answer
    x = 259,103.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.