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Finding the Fourth Proportional to 100,293.90, 150,450.16 and 36,268.05

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Solution

The fourth proportional to 100,293.90, 150,450.16 and 36,268.05 is: 54,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,293.90 : 150,450.16 = 36,268.05 : x
  2. Step 2: Convert to fraction form
    100,293.90/150,450.16 = 36,268.05/x
  3. Step 3: Cross multiply
    100,293.90x = 150,450.16 × 36,268.05
  4. Step 4: Simplify right side
    100,293.90x = 5,456,534,466.91
  5. Step 5: Solve for x
    x = 5,456,534,466.91/100,293.90
  6. Step 6: Final answer
    x = 54,405.45

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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.