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Finding the Fourth Proportional to 173,115, 238,898.76 and 93,627

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Solution

The fourth proportional to 173,115, 238,898.76 and 93,627 is: 129,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,115 : 238,898.76 = 93,627 : x
  2. Step 2: Convert to fraction form
    173,115/238,898.76 = 93,627/x
  3. Step 3: Cross multiply
    173,115x = 238,898.76 × 93,627
  4. Step 4: Simplify right side
    173,115x = 22,367,374,202.52
  5. Step 5: Solve for x
    x = 22,367,374,202.52/173,115
  6. Step 6: Final answer
    x = 129,205.29

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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.