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Finding the Fourth Proportional to 355,175.82, 532,706.22 and 130,481.01

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Solution

The fourth proportional to 355,175.82, 532,706.22 and 130,481.01 is: 195,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,175.82 : 532,706.22 = 130,481.01 : x
  2. Step 2: Convert to fraction form
    355,175.82/532,706.22 = 130,481.01/x
  3. Step 3: Cross multiply
    355,175.82x = 532,706.22 × 130,481.01
  4. Step 4: Simplify right side
    355,175.82x = 69,508,045,618.88
  5. Step 5: Solve for x
    x = 69,508,045,618.88/355,175.82
  6. Step 6: Final answer
    x = 195,700.39

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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.