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Finding the Fourth Proportional to 197,167.80, 295,751.70 and 144,679.80

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Solution

The fourth proportional to 197,167.80, 295,751.70 and 144,679.80 is: 217,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,167.80 : 295,751.70 = 144,679.80 : x
  2. Step 2: Convert to fraction form
    197,167.80/295,751.70 = 144,679.80/x
  3. Step 3: Cross multiply
    197,167.80x = 295,751.70 × 144,679.80
  4. Step 4: Simplify right side
    197,167.80x = 42,789,296,805.66
  5. Step 5: Solve for x
    x = 42,789,296,805.66/197,167.80
  6. Step 6: Final answer
    x = 217,019.70

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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.