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Finding the Fourth Proportional to 164,769.78, 246,987.46 and 65,000.67

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Solution

The fourth proportional to 164,769.78, 246,987.46 and 65,000.67 is: 97,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,769.78 : 246,987.46 = 65,000.67 : x
  2. Step 2: Convert to fraction form
    164,769.78/246,987.46 = 65,000.67/x
  3. Step 3: Cross multiply
    164,769.78x = 246,987.46 × 65,000.67
  4. Step 4: Simplify right side
    164,769.78x = 16,054,350,381.60
  5. Step 5: Solve for x
    x = 16,054,350,381.60/164,769.78
  6. Step 6: Final answer
    x = 97,435.04

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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.