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Finding the Fourth Proportional to 172,827, 238,501.26 and 93,339

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Solution

The fourth proportional to 172,827, 238,501.26 and 93,339 is: 128,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,827 : 238,501.26 = 93,339 : x
  2. Step 2: Convert to fraction form
    172,827/238,501.26 = 93,339/x
  3. Step 3: Cross multiply
    172,827x = 238,501.26 × 93,339
  4. Step 4: Simplify right side
    172,827x = 22,261,469,107.14
  5. Step 5: Solve for x
    x = 22,261,469,107.14/172,827
  6. Step 6: Final answer
    x = 128,807.82

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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.