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Finding the Fourth Proportional to 173,485, 239,409.30 and 93,997

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Solution

The fourth proportional to 173,485, 239,409.30 and 93,997 is: 129,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,485 : 239,409.30 = 93,997 : x
  2. Step 2: Convert to fraction form
    173,485/239,409.30 = 93,997/x
  3. Step 3: Cross multiply
    173,485x = 239,409.30 × 93,997
  4. Step 4: Simplify right side
    173,485x = 22,503,755,972.10
  5. Step 5: Solve for x
    x = 22,503,755,972.10/173,485
  6. Step 6: Final answer
    x = 129,715.86

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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.