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Finding the Fourth Proportional to 197,021.70, 295,532.55 and 118,224.90

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Solution

The fourth proportional to 197,021.70, 295,532.55 and 118,224.90 is: 177,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,021.70 : 295,532.55 = 118,224.90 : x
  2. Step 2: Convert to fraction form
    197,021.70/295,532.55 = 118,224.90/x
  3. Step 3: Cross multiply
    197,021.70x = 295,532.55 × 118,224.90
  4. Step 4: Simplify right side
    197,021.70x = 34,939,306,170.50
  5. Step 5: Solve for x
    x = 34,939,306,170.50/197,021.70
  6. Step 6: Final answer
    x = 177,337.35

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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.