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Finding the Fourth Proportional to 197,259.70, 295,780.20 and 84,920.80

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Solution

The fourth proportional to 197,259.70, 295,780.20 and 84,920.80 is: 127,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,259.70 : 295,780.20 = 84,920.80 : x
  2. Step 2: Convert to fraction form
    197,259.70/295,780.20 = 84,920.80/x
  3. Step 3: Cross multiply
    197,259.70x = 295,780.20 × 84,920.80
  4. Step 4: Simplify right side
    197,259.70x = 25,117,891,208.16
  5. Step 5: Solve for x
    x = 25,117,891,208.16/197,259.70
  6. Step 6: Final answer
    x = 127,334.12

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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.