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Finding the Fourth Proportional to 312,181.03, 430,813.02 and 168,944.14

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Solution

The fourth proportional to 312,181.03, 430,813.02 and 168,944.14 is: 233,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,181.03 : 430,813.02 = 168,944.14 : x
  2. Step 2: Convert to fraction form
    312,181.03/430,813.02 = 168,944.14/x
  3. Step 3: Cross multiply
    312,181.03x = 430,813.02 × 168,944.14
  4. Step 4: Simplify right side
    312,181.03x = 72,783,335,164.70
  5. Step 5: Solve for x
    x = 72,783,335,164.70/312,181.03
  6. Step 6: Final answer
    x = 233,144.64

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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.