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Finding the Fourth Proportional to 300,187.53, 450,458.09 and 110,781.18

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Solution

The fourth proportional to 300,187.53, 450,458.09 and 110,781.18 is: 166,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,187.53 : 450,458.09 = 110,781.18 : x
  2. Step 2: Convert to fraction form
    300,187.53/450,458.09 = 110,781.18/x
  3. Step 3: Cross multiply
    300,187.53x = 450,458.09 × 110,781.18
  4. Step 4: Simplify right side
    300,187.53x = 49,902,278,750.75
  5. Step 5: Solve for x
    x = 49,902,278,750.75/300,187.53
  6. Step 6: Final answer
    x = 166,237.01

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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.