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Finding the Fourth Proportional to 207,364.60, 310,586.10 and 179,716.60

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Solution

The fourth proportional to 207,364.60, 310,586.10 and 179,716.60 is: 269,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,364.60 : 310,586.10 = 179,716.60 : x
  2. Step 2: Convert to fraction form
    207,364.60/310,586.10 = 179,716.60/x
  3. Step 3: Cross multiply
    207,364.60x = 310,586.10 × 179,716.60
  4. Step 4: Simplify right side
    207,364.60x = 55,817,477,899.26
  5. Step 5: Solve for x
    x = 55,817,477,899.26/207,364.60
  6. Step 6: Final answer
    x = 269,175.54

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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.