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Finding the Fourth Proportional to 113,495.60, 170,243.40 and 34,609.70

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Solution

The fourth proportional to 113,495.60, 170,243.40 and 34,609.70 is: 51,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,495.60 : 170,243.40 = 34,609.70 : x
  2. Step 2: Convert to fraction form
    113,495.60/170,243.40 = 34,609.70/x
  3. Step 3: Cross multiply
    113,495.60x = 170,243.40 × 34,609.70
  4. Step 4: Simplify right side
    113,495.60x = 5,892,073,000.98
  5. Step 5: Solve for x
    x = 5,892,073,000.98/113,495.60
  6. Step 6: Final answer
    x = 51,914.55

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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.