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Finding the Fourth Proportional to 193,084.20, 288,970.20 and 169,464.60

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Solution

The fourth proportional to 193,084.20, 288,970.20 and 169,464.60 is: 253,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,084.20 : 288,970.20 = 169,464.60 : x
  2. Step 2: Convert to fraction form
    193,084.20/288,970.20 = 169,464.60/x
  3. Step 3: Cross multiply
    193,084.20x = 288,970.20 × 169,464.60
  4. Step 4: Simplify right side
    193,084.20x = 48,970,219,354.92
  5. Step 5: Solve for x
    x = 48,970,219,354.92/193,084.20
  6. Step 6: Final answer
    x = 253,621.06

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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.