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Finding the Fourth Proportional to 197,000.80, 295,501.20 and 162,008.80

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Solution

The fourth proportional to 197,000.80, 295,501.20 and 162,008.80 is: 243,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,000.80 : 295,501.20 = 162,008.80 : x
  2. Step 2: Convert to fraction form
    197,000.80/295,501.20 = 162,008.80/x
  3. Step 3: Cross multiply
    197,000.80x = 295,501.20 × 162,008.80
  4. Step 4: Simplify right side
    197,000.80x = 47,873,794,810.56
  5. Step 5: Solve for x
    x = 47,873,794,810.56/197,000.80
  6. Step 6: Final answer
    x = 243,013.20

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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.