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Finding the Fourth Proportional to 173,889.84, 239,963.40 and 102,253.44

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Solution

The fourth proportional to 173,889.84, 239,963.40 and 102,253.44 is: 141,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,889.84 : 239,963.40 = 102,253.44 : x
  2. Step 2: Convert to fraction form
    173,889.84/239,963.40 = 102,253.44/x
  3. Step 3: Cross multiply
    173,889.84x = 239,963.40 × 102,253.44
  4. Step 4: Simplify right side
    173,889.84x = 24,537,083,124.10
  5. Step 5: Solve for x
    x = 24,537,083,124.10/173,889.84
  6. Step 6: Final answer
    x = 141,107.05

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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.