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Finding the Fourth Proportional to 173,272.92, 239,116.56 and 97,821.48

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Solution

The fourth proportional to 173,272.92, 239,116.56 and 97,821.48 is: 134,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272.92 : 239,116.56 = 97,821.48 : x
  2. Step 2: Convert to fraction form
    173,272.92/239,116.56 = 97,821.48/x
  3. Step 3: Cross multiply
    173,272.92x = 239,116.56 × 97,821.48
  4. Step 4: Simplify right side
    173,272.92x = 23,390,735,791.71
  5. Step 5: Solve for x
    x = 23,390,735,791.71/173,272.92
  6. Step 6: Final answer
    x = 134,993.60

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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.