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Finding the Fourth Proportional to 268,739.01, 403,095.18 and 100,246.20

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Solution

The fourth proportional to 268,739.01, 403,095.18 and 100,246.20 is: 150,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,739.01 : 403,095.18 = 100,246.20 : x
  2. Step 2: Convert to fraction form
    268,739.01/403,095.18 = 100,246.20/x
  3. Step 3: Cross multiply
    268,739.01x = 403,095.18 × 100,246.20
  4. Step 4: Simplify right side
    268,739.01x = 40,408,760,033.32
  5. Step 5: Solve for x
    x = 40,408,760,033.32/268,739.01
  6. Step 6: Final answer
    x = 150,364.33

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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.