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Finding the Fourth Proportional to 173,109, 238,890.48 and 93,621

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Solution

The fourth proportional to 173,109, 238,890.48 and 93,621 is: 129,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109 : 238,890.48 = 93,621 : x
  2. Step 2: Convert to fraction form
    173,109/238,890.48 = 93,621/x
  3. Step 3: Cross multiply
    173,109x = 238,890.48 × 93,621
  4. Step 4: Simplify right side
    173,109x = 22,365,165,628.08
  5. Step 5: Solve for x
    x = 22,365,165,628.08/173,109
  6. Step 6: Final answer
    x = 129,197.01

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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.