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Finding the Fourth Proportional to 196,889.77, 295,395.94 and 70,531.10

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Solution

The fourth proportional to 196,889.77, 295,395.94 and 70,531.10 is: 105,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,889.77 : 295,395.94 = 70,531.10 : x
  2. Step 2: Convert to fraction form
    196,889.77/295,395.94 = 70,531.10/x
  3. Step 3: Cross multiply
    196,889.77x = 295,395.94 × 70,531.10
  4. Step 4: Simplify right side
    196,889.77x = 20,834,598,930.43
  5. Step 5: Solve for x
    x = 20,834,598,930.43/196,889.77
  6. Step 6: Final answer
    x = 105,818.60

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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.