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Finding the Fourth Proportional to 196,888.40, 295,371.48 and 72,230.48

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Solution

The fourth proportional to 196,888.40, 295,371.48 and 72,230.48 is: 108,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,888.40 : 295,371.48 = 72,230.48 : x
  2. Step 2: Convert to fraction form
    196,888.40/295,371.48 = 72,230.48/x
  3. Step 3: Cross multiply
    196,888.40x = 295,371.48 × 72,230.48
  4. Step 4: Simplify right side
    196,888.40x = 21,334,823,778.71
  5. Step 5: Solve for x
    x = 21,334,823,778.71/196,888.40
  6. Step 6: Final answer
    x = 108,359.98

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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.