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Finding the Fourth Proportional to 336,095.20, 504,142.80 and 136,511.20

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Solution

The fourth proportional to 336,095.20, 504,142.80 and 136,511.20 is: 204,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,095.20 : 504,142.80 = 136,511.20 : x
  2. Step 2: Convert to fraction form
    336,095.20/504,142.80 = 136,511.20/x
  3. Step 3: Cross multiply
    336,095.20x = 504,142.80 × 136,511.20
  4. Step 4: Simplify right side
    336,095.20x = 68,821,138,599.36
  5. Step 5: Solve for x
    x = 68,821,138,599.36/336,095.20
  6. Step 6: Final answer
    x = 204,766.80

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1.5x scale

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.