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Finding the Fourth Proportional to 113,495.87, 170,243.35 and 34,609.87

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Solution

The fourth proportional to 113,495.87, 170,243.35 and 34,609.87 is: 51,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,495.87 : 170,243.35 = 34,609.87 : x
  2. Step 2: Convert to fraction form
    113,495.87/170,243.35 = 34,609.87/x
  3. Step 3: Cross multiply
    113,495.87x = 170,243.35 × 34,609.87
  4. Step 4: Simplify right side
    113,495.87x = 5,892,099,699.73
  5. Step 5: Solve for x
    x = 5,892,099,699.73/113,495.87
  6. Step 6: Final answer
    x = 51,914.66

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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.