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Finding the Fourth Proportional to 196,771.65, 295,157.48 and 187,210.82

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Solution

The fourth proportional to 196,771.65, 295,157.48 and 187,210.82 is: 280,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,771.65 : 295,157.48 = 187,210.82 : x
  2. Step 2: Convert to fraction form
    196,771.65/295,157.48 = 187,210.82/x
  3. Step 3: Cross multiply
    196,771.65x = 295,157.48 × 187,210.82
  4. Step 4: Simplify right side
    196,771.65x = 55,256,671,448.09
  5. Step 5: Solve for x
    x = 55,256,671,448.09/196,771.65
  6. Step 6: Final answer
    x = 280,816.22

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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.