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Finding the Fourth Proportional to 173,211.84, 239,027.75 and 96,728.82

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Solution

The fourth proportional to 173,211.84, 239,027.75 and 96,728.82 is: 133,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211.84 : 239,027.75 = 96,728.82 : x
  2. Step 2: Convert to fraction form
    173,211.84/239,027.75 = 96,728.82/x
  3. Step 3: Cross multiply
    173,211.84x = 239,027.75 × 96,728.82
  4. Step 4: Simplify right side
    173,211.84x = 23,120,871,721.11
  5. Step 5: Solve for x
    x = 23,120,871,721.11/173,211.84
  6. Step 6: Final answer
    x = 133,483.21

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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.