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Finding the Fourth Proportional to 197,770.28, 296,699.44 and 108,978.08

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Solution

The fourth proportional to 197,770.28, 296,699.44 and 108,978.08 is: 163,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,770.28 : 296,699.44 = 108,978.08 : x
  2. Step 2: Convert to fraction form
    197,770.28/296,699.44 = 108,978.08/x
  3. Step 3: Cross multiply
    197,770.28x = 296,699.44 × 108,978.08
  4. Step 4: Simplify right side
    197,770.28x = 32,333,735,308.28
  5. Step 5: Solve for x
    x = 32,333,735,308.28/197,770.28
  6. Step 6: Final answer
    x = 163,491.38

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1.5x scale

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.