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Finding the Fourth Proportional to 170,607.98, 255,902.73 and 52,279.67

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Solution

The fourth proportional to 170,607.98, 255,902.73 and 52,279.67 is: 78,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,607.98 : 255,902.73 = 52,279.67 : x
  2. Step 2: Convert to fraction form
    170,607.98/255,902.73 = 52,279.67/x
  3. Step 3: Cross multiply
    170,607.98x = 255,902.73 × 52,279.67
  4. Step 4: Simplify right side
    170,607.98x = 13,378,508,996.99
  5. Step 5: Solve for x
    x = 13,378,508,996.99/170,607.98
  6. Step 6: Final answer
    x = 78,416.67

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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.