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Finding the Fourth Proportional to 164,577.89, 246,706.16 and 80,334.65

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Solution

The fourth proportional to 164,577.89, 246,706.16 and 80,334.65 is: 120,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,577.89 : 246,706.16 = 80,334.65 : x
  2. Step 2: Convert to fraction form
    164,577.89/246,706.16 = 80,334.65/x
  3. Step 3: Cross multiply
    164,577.89x = 246,706.16 × 80,334.65
  4. Step 4: Simplify right side
    164,577.89x = 19,819,051,782.91
  5. Step 5: Solve for x
    x = 19,819,051,782.91/164,577.89
  6. Step 6: Final answer
    x = 120,423.54

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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.