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Finding the Fourth Proportional to 197,363.92, 272,346.50 and 111,295.29

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Solution

The fourth proportional to 197,363.92, 272,346.50 and 111,295.29 is: 153,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,363.92 : 272,346.50 = 111,295.29 : x
  2. Step 2: Convert to fraction form
    197,363.92/272,346.50 = 111,295.29/x
  3. Step 3: Cross multiply
    197,363.92x = 272,346.50 × 111,295.29
  4. Step 4: Simplify right side
    197,363.92x = 30,310,883,231.55
  5. Step 5: Solve for x
    x = 30,310,883,231.55/197,363.92
  6. Step 6: Final answer
    x = 153,578.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.