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Finding the Fourth Proportional to 333,861.18, 500,814.86 and 134,181.74

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Solution

The fourth proportional to 333,861.18, 500,814.86 and 134,181.74 is: 201,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,861.18 : 500,814.86 = 134,181.74 : x
  2. Step 2: Convert to fraction form
    333,861.18/500,814.86 = 134,181.74/x
  3. Step 3: Cross multiply
    333,861.18x = 500,814.86 × 134,181.74
  4. Step 4: Simplify right side
    333,861.18x = 67,200,206,157.67
  5. Step 5: Solve for x
    x = 67,200,206,157.67/333,861.18
  6. Step 6: Final answer
    x = 201,281.88

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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.