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Finding the Fourth Proportional to 196,672.10, 295,153.95 and 130,090.10

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Solution

The fourth proportional to 196,672.10, 295,153.95 and 130,090.10 is: 195,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,672.10 : 295,153.95 = 130,090.10 : x
  2. Step 2: Convert to fraction form
    196,672.10/295,153.95 = 130,090.10/x
  3. Step 3: Cross multiply
    196,672.10x = 295,153.95 × 130,090.10
  4. Step 4: Simplify right side
    196,672.10x = 38,396,606,870.90
  5. Step 5: Solve for x
    x = 38,396,606,870.90/196,672.10
  6. Step 6: Final answer
    x = 195,231.59

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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.