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Finding the Fourth Proportional to 336,181.80, 504,272.70 and 122,949.30

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Solution

The fourth proportional to 336,181.80, 504,272.70 and 122,949.30 is: 184,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,181.80 : 504,272.70 = 122,949.30 : x
  2. Step 2: Convert to fraction form
    336,181.80/504,272.70 = 122,949.30/x
  3. Step 3: Cross multiply
    336,181.80x = 504,272.70 × 122,949.30
  4. Step 4: Simplify right side
    336,181.80x = 61,999,975,474.11
  5. Step 5: Solve for x
    x = 61,999,975,474.11/336,181.80
  6. Step 6: Final answer
    x = 184,423.95

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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.