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Finding the Fourth Proportional to 173,122.99, 238,921.72 and 96,657.12

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Solution

The fourth proportional to 173,122.99, 238,921.72 and 96,657.12 is: 133,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,122.99 : 238,921.72 = 96,657.12 : x
  2. Step 2: Convert to fraction form
    173,122.99/238,921.72 = 96,657.12/x
  3. Step 3: Cross multiply
    173,122.99x = 238,921.72 × 96,657.12
  4. Step 4: Simplify right side
    173,122.99x = 23,093,485,119.00
  5. Step 5: Solve for x
    x = 23,093,485,119.00/173,122.99
  6. Step 6: Final answer
    x = 133,393.52

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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.