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Finding the Fourth Proportional to 301,116.90, 451,850.32 and 134,904.90

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Solution

The fourth proportional to 301,116.90, 451,850.32 and 134,904.90 is: 202,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,116.90 : 451,850.32 = 134,904.90 : x
  2. Step 2: Convert to fraction form
    301,116.90/451,850.32 = 134,904.90/x
  3. Step 3: Cross multiply
    301,116.90x = 451,850.32 × 134,904.90
  4. Step 4: Simplify right side
    301,116.90x = 60,956,822,234.57
  5. Step 5: Solve for x
    x = 60,956,822,234.57/301,116.90
  6. Step 6: Final answer
    x = 202,435.74

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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.