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Finding the Fourth Proportional to 268,967.73, 371,050.79 and 173,505.18

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Solution

The fourth proportional to 268,967.73, 371,050.79 and 173,505.18 is: 239,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,967.73 : 371,050.79 = 173,505.18 : x
  2. Step 2: Convert to fraction form
    268,967.73/371,050.79 = 173,505.18/x
  3. Step 3: Cross multiply
    268,967.73x = 371,050.79 × 173,505.18
  4. Step 4: Simplify right side
    268,967.73x = 64,379,234,108.09
  5. Step 5: Solve for x
    x = 64,379,234,108.09/268,967.73
  6. Step 6: Final answer
    x = 239,356.72

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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.