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Finding the Fourth Proportional to 172,883, 238,578.54 and 93,395

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Solution

The fourth proportional to 172,883, 238,578.54 and 93,395 is: 128,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,883 : 238,578.54 = 93,395 : x
  2. Step 2: Convert to fraction form
    172,883/238,578.54 = 93,395/x
  3. Step 3: Cross multiply
    172,883x = 238,578.54 × 93,395
  4. Step 4: Simplify right side
    172,883x = 22,282,042,743.30
  5. Step 5: Solve for x
    x = 22,282,042,743.30/172,883
  6. Step 6: Final answer
    x = 128,885.10

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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.