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Finding the Fourth Proportional to 245,000.70, 367,414.65 and 111,944.70

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Solution

The fourth proportional to 245,000.70, 367,414.65 and 111,944.70 is: 167,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,000.70 : 367,414.65 = 111,944.70 : x
  2. Step 2: Convert to fraction form
    245,000.70/367,414.65 = 111,944.70/x
  3. Step 3: Cross multiply
    245,000.70x = 367,414.65 × 111,944.70
  4. Step 4: Simplify right side
    245,000.70x = 41,130,122,769.86
  5. Step 5: Solve for x
    x = 41,130,122,769.86/245,000.70
  6. Step 6: Final answer
    x = 167,877.57

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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.