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Finding the Fourth Proportional to 173,536, 239,481.12 and 94,048

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Solution

The fourth proportional to 173,536, 239,481.12 and 94,048 is: 129,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,536 : 239,481.12 = 94,048 : x
  2. Step 2: Convert to fraction form
    173,536/239,481.12 = 94,048/x
  3. Step 3: Cross multiply
    173,536x = 239,481.12 × 94,048
  4. Step 4: Simplify right side
    173,536x = 22,522,720,373.76
  5. Step 5: Solve for x
    x = 22,522,720,373.76/173,536
  6. Step 6: Final answer
    x = 129,787.02

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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.