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Finding the Fourth Proportional to 197,453.40, 296,093.70 and 79,085.40

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Solution

The fourth proportional to 197,453.40, 296,093.70 and 79,085.40 is: 118,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,453.40 : 296,093.70 = 79,085.40 : x
  2. Step 2: Convert to fraction form
    197,453.40/296,093.70 = 79,085.40/x
  3. Step 3: Cross multiply
    197,453.40x = 296,093.70 × 79,085.40
  4. Step 4: Simplify right side
    197,453.40x = 23,416,688,701.98
  5. Step 5: Solve for x
    x = 23,416,688,701.98/197,453.40
  6. Step 6: Final answer
    x = 118,593.49

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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.