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Finding the Fourth Proportional to 133,211.52, 199,817.44 and 39,714.96

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Solution

The fourth proportional to 133,211.52, 199,817.44 and 39,714.96 is: 59,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,211.52 : 199,817.44 = 39,714.96 : x
  2. Step 2: Convert to fraction form
    133,211.52/199,817.44 = 39,714.96/x
  3. Step 3: Cross multiply
    133,211.52x = 199,817.44 × 39,714.96
  4. Step 4: Simplify right side
    133,211.52x = 7,935,741,636.90
  5. Step 5: Solve for x
    x = 7,935,741,636.90/133,211.52
  6. Step 6: Final answer
    x = 59,572.49

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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.