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Finding the Fourth Proportional to 173,990.94, 240,103.41 and 102,375.60

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Solution

The fourth proportional to 173,990.94, 240,103.41 and 102,375.60 is: 141,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,990.94 : 240,103.41 = 102,375.60 : x
  2. Step 2: Convert to fraction form
    173,990.94/240,103.41 = 102,375.60/x
  3. Step 3: Cross multiply
    173,990.94x = 240,103.41 × 102,375.60
  4. Step 4: Simplify right side
    173,990.94x = 24,580,730,060.54
  5. Step 5: Solve for x
    x = 24,580,730,060.54/173,990.94
  6. Step 6: Final answer
    x = 141,275.92

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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.