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Finding the Fourth Proportional to 243,247.60, 363,996.60 and 164,515.60

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Solution

The fourth proportional to 243,247.60, 363,996.60 and 164,515.60 is: 246,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,247.60 : 363,996.60 = 164,515.60 : x
  2. Step 2: Convert to fraction form
    243,247.60/363,996.60 = 164,515.60/x
  3. Step 3: Cross multiply
    243,247.60x = 363,996.60 × 164,515.60
  4. Step 4: Simplify right side
    243,247.60x = 59,883,119,046.96
  5. Step 5: Solve for x
    x = 59,883,119,046.96/243,247.60
  6. Step 6: Final answer
    x = 246,181.75

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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.