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Finding the Fourth Proportional to 197,115.70, 295,673.55 and 112,843.30

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Solution

The fourth proportional to 197,115.70, 295,673.55 and 112,843.30 is: 169,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,115.70 : 295,673.55 = 112,843.30 : x
  2. Step 2: Convert to fraction form
    197,115.70/295,673.55 = 112,843.30/x
  3. Step 3: Cross multiply
    197,115.70x = 295,673.55 × 112,843.30
  4. Step 4: Simplify right side
    197,115.70x = 33,364,779,104.72
  5. Step 5: Solve for x
    x = 33,364,779,104.72/197,115.70
  6. Step 6: Final answer
    x = 169,264.95

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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.