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Finding the Fourth Proportional to 196,821.66, 295,230.06 and 63,698.97

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Solution

The fourth proportional to 196,821.66, 295,230.06 and 63,698.97 is: 95,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,821.66 : 295,230.06 = 63,698.97 : x
  2. Step 2: Convert to fraction form
    196,821.66/295,230.06 = 63,698.97/x
  3. Step 3: Cross multiply
    196,821.66x = 295,230.06 × 63,698.97
  4. Step 4: Simplify right side
    196,821.66x = 18,805,850,735.04
  5. Step 5: Solve for x
    x = 18,805,850,735.04/196,821.66
  6. Step 6: Final answer
    x = 95,547.67

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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.