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Finding the Fourth Proportional to 173,138.84, 238,932.28 and 96,656.56

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Solution

The fourth proportional to 173,138.84, 238,932.28 and 96,656.56 is: 133,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,138.84 : 238,932.28 = 96,656.56 : x
  2. Step 2: Convert to fraction form
    173,138.84/238,932.28 = 96,656.56/x
  3. Step 3: Cross multiply
    173,138.84x = 238,932.28 × 96,656.56
  4. Step 4: Simplify right side
    173,138.84x = 23,094,372,257.76
  5. Step 5: Solve for x
    x = 23,094,372,257.76/173,138.84
  6. Step 6: Final answer
    x = 133,386.43

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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.