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Finding the Fourth Proportional to 197,674.80, 296,317.80 and 97,850.40

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Solution

The fourth proportional to 197,674.80, 296,317.80 and 97,850.40 is: 146,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,674.80 : 296,317.80 = 97,850.40 : x
  2. Step 2: Convert to fraction form
    197,674.80/296,317.80 = 97,850.40/x
  3. Step 3: Cross multiply
    197,674.80x = 296,317.80 × 97,850.40
  4. Step 4: Simplify right side
    197,674.80x = 28,994,815,257.12
  5. Step 5: Solve for x
    x = 28,994,815,257.12/197,674.80
  6. Step 6: Final answer
    x = 146,679.37

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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.