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Finding the Fourth Proportional to 268,976, 371,062.32 and 173,513.48

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Solution

The fourth proportional to 268,976, 371,062.32 and 173,513.48 is: 239,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,976 : 371,062.32 = 173,513.48 : x
  2. Step 2: Convert to fraction form
    268,976/371,062.32 = 173,513.48/x
  3. Step 3: Cross multiply
    268,976x = 371,062.32 × 173,513.48
  4. Step 4: Simplify right side
    268,976x = 64,384,314,440.07
  5. Step 5: Solve for x
    x = 64,384,314,440.07/268,976
  6. Step 6: Final answer
    x = 239,368.25

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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.