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Finding the Fourth Proportional to 308,764.63, 426,095.19 and 167,452.63

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Solution

The fourth proportional to 308,764.63, 426,095.19 and 167,452.63 is: 231,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,764.63 : 426,095.19 = 167,452.63 : x
  2. Step 2: Convert to fraction form
    308,764.63/426,095.19 = 167,452.63/x
  3. Step 3: Cross multiply
    308,764.63x = 426,095.19 × 167,452.63
  4. Step 4: Simplify right side
    308,764.63x = 71,350,759,130.61
  5. Step 5: Solve for x
    x = 71,350,759,130.61/308,764.63
  6. Step 6: Final answer
    x = 231,084.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.