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Finding the Fourth Proportional to 173,400, 239,292 and 93,912

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Solution

The fourth proportional to 173,400, 239,292 and 93,912 is: 129,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,400 : 239,292 = 93,912 : x
  2. Step 2: Convert to fraction form
    173,400/239,292 = 93,912/x
  3. Step 3: Cross multiply
    173,400x = 239,292 × 93,912
  4. Step 4: Simplify right side
    173,400x = 22,472,390,304
  5. Step 5: Solve for x
    x = 22,472,390,304/173,400
  6. Step 6: Final answer
    x = 129,598.56

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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.