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Finding the Fourth Proportional to 133,055.89, 199,615.62 and 44,310.16

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Solution

The fourth proportional to 133,055.89, 199,615.62 and 44,310.16 is: 66,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.89 : 199,615.62 = 44,310.16 : x
  2. Step 2: Convert to fraction form
    133,055.89/199,615.62 = 44,310.16/x
  3. Step 3: Cross multiply
    133,055.89x = 199,615.62 × 44,310.16
  4. Step 4: Simplify right side
    133,055.89x = 8,845,000,060.70
  5. Step 5: Solve for x
    x = 8,845,000,060.70/133,055.89
  6. Step 6: Final answer
    x = 66,475.83

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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.