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Finding the Fourth Proportional to 164,586.08, 246,734.88 and 79,154.12

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Solution

The fourth proportional to 164,586.08, 246,734.88 and 79,154.12 is: 118,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,586.08 : 246,734.88 = 79,154.12 : x
  2. Step 2: Convert to fraction form
    164,586.08/246,734.88 = 79,154.12/x
  3. Step 3: Cross multiply
    164,586.08x = 246,734.88 × 79,154.12
  4. Step 4: Simplify right side
    164,586.08x = 19,530,082,299.71
  5. Step 5: Solve for x
    x = 19,530,082,299.71/164,586.08
  6. Step 6: Final answer
    x = 118,661.81

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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.