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Finding the Fourth Proportional to 193,181.80, 289,311.90 and 94,570.60

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Solution

The fourth proportional to 193,181.80, 289,311.90 and 94,570.60 is: 141,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,181.80 : 289,311.90 = 94,570.60 : x
  2. Step 2: Convert to fraction form
    193,181.80/289,311.90 = 94,570.60/x
  3. Step 3: Cross multiply
    193,181.80x = 289,311.90 × 94,570.60
  4. Step 4: Simplify right side
    193,181.80x = 27,360,399,970.14
  5. Step 5: Solve for x
    x = 27,360,399,970.14/193,181.80
  6. Step 6: Final answer
    x = 141,630.32

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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.