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Finding the Fourth Proportional to 313,550.60, 470,369.10 and 136,052.60

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Solution

The fourth proportional to 313,550.60, 470,369.10 and 136,052.60 is: 204,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,550.60 : 470,369.10 = 136,052.60 : x
  2. Step 2: Convert to fraction form
    313,550.60/470,369.10 = 136,052.60/x
  3. Step 3: Cross multiply
    313,550.60x = 470,369.10 × 136,052.60
  4. Step 4: Simplify right side
    313,550.60x = 63,994,939,014.66
  5. Step 5: Solve for x
    x = 63,994,939,014.66/313,550.60
  6. Step 6: Final answer
    x = 204,097.64

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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.