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Finding the Fourth Proportional to 164,768.78, 246,985.96 and 64,999.67

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Solution

The fourth proportional to 164,768.78, 246,985.96 and 64,999.67 is: 97,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,768.78 : 246,985.96 = 64,999.67 : x
  2. Step 2: Convert to fraction form
    164,768.78/246,985.96 = 64,999.67/x
  3. Step 3: Cross multiply
    164,768.78x = 246,985.96 × 64,999.67
  4. Step 4: Simplify right side
    164,768.78x = 16,054,004,619.08
  5. Step 5: Solve for x
    x = 16,054,004,619.08/164,768.78
  6. Step 6: Final answer
    x = 97,433.53

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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.