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Finding the Fourth Proportional to 230,812.39, 345,307.60 and 174,813.85

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Solution

The fourth proportional to 230,812.39, 345,307.60 and 174,813.85 is: 261,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,812.39 : 345,307.60 = 174,813.85 : x
  2. Step 2: Convert to fraction form
    230,812.39/345,307.60 = 174,813.85/x
  3. Step 3: Cross multiply
    230,812.39x = 345,307.60 × 174,813.85
  4. Step 4: Simplify right side
    230,812.39x = 60,364,550,990.26
  5. Step 5: Solve for x
    x = 60,364,550,990.26/230,812.39
  6. Step 6: Final answer
    x = 261,530.81

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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.