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Finding the Fourth Proportional to 196,687.95, 295,032.30 and 84,295.29

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Solution

The fourth proportional to 196,687.95, 295,032.30 and 84,295.29 is: 126,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,687.95 : 295,032.30 = 84,295.29 : x
  2. Step 2: Convert to fraction form
    196,687.95/295,032.30 = 84,295.29/x
  3. Step 3: Cross multiply
    196,687.95x = 295,032.30 × 84,295.29
  4. Step 4: Simplify right side
    196,687.95x = 24,869,833,287.87
  5. Step 5: Solve for x
    x = 24,869,833,287.87/196,687.95
  6. Step 6: Final answer
    x = 126,443.10

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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.