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Finding the Fourth Proportional to 336,034.20, 504,051.30 and 99,355.80

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Solution

The fourth proportional to 336,034.20, 504,051.30 and 99,355.80 is: 149,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,034.20 : 504,051.30 = 99,355.80 : x
  2. Step 2: Convert to fraction form
    336,034.20/504,051.30 = 99,355.80/x
  3. Step 3: Cross multiply
    336,034.20x = 504,051.30 × 99,355.80
  4. Step 4: Simplify right side
    336,034.20x = 50,080,420,152.54
  5. Step 5: Solve for x
    x = 50,080,420,152.54/336,034.20
  6. Step 6: Final answer
    x = 149,033.70

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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.