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Finding the Fourth Proportional to 196,456.60, 295,122.30 and 188,486.20

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Solution

The fourth proportional to 196,456.60, 295,122.30 and 188,486.20 is: 283,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,456.60 : 295,122.30 = 188,486.20 : x
  2. Step 2: Convert to fraction form
    196,456.60/295,122.30 = 188,486.20/x
  3. Step 3: Cross multiply
    196,456.60x = 295,122.30 × 188,486.20
  4. Step 4: Simplify right side
    196,456.60x = 55,626,480,862.26
  5. Step 5: Solve for x
    x = 55,626,480,862.26/196,456.60
  6. Step 6: Final answer
    x = 283,148.95

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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.