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Finding the Fourth Proportional to 173,277, 239,122.98 and 93,789

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Solution

The fourth proportional to 173,277, 239,122.98 and 93,789 is: 129,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,277 : 239,122.98 = 93,789 : x
  2. Step 2: Convert to fraction form
    173,277/239,122.98 = 93,789/x
  3. Step 3: Cross multiply
    173,277x = 239,122.98 × 93,789
  4. Step 4: Simplify right side
    173,277x = 22,427,105,171.22
  5. Step 5: Solve for x
    x = 22,427,105,171.22/173,277
  6. Step 6: Final answer
    x = 129,429.21

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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.