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Finding the Fourth Proportional to 301,118.90, 451,853.32 and 134,906.90

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Solution

The fourth proportional to 301,118.90, 451,853.32 and 134,906.90 is: 202,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,118.90 : 451,853.32 = 134,906.90 : x
  2. Step 2: Convert to fraction form
    301,118.90/451,853.32 = 134,906.90/x
  3. Step 3: Cross multiply
    301,118.90x = 451,853.32 × 134,906.90
  4. Step 4: Simplify right side
    301,118.90x = 60,958,130,655.91
  5. Step 5: Solve for x
    x = 60,958,130,655.91/301,118.90
  6. Step 6: Final answer
    x = 202,438.74

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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.