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Finding the Fourth Proportional to 197,645.80, 296,031.30 and 162,653.80

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Solution

The fourth proportional to 197,645.80, 296,031.30 and 162,653.80 is: 243,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,645.80 : 296,031.30 = 162,653.80 : x
  2. Step 2: Convert to fraction form
    197,645.80/296,031.30 = 162,653.80/x
  3. Step 3: Cross multiply
    197,645.80x = 296,031.30 × 162,653.80
  4. Step 4: Simplify right side
    197,645.80x = 48,150,615,863.94
  5. Step 5: Solve for x
    x = 48,150,615,863.94/197,645.80
  6. Step 6: Final answer
    x = 243,620.74

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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.