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Finding the Fourth Proportional to 174,009.75, 240,121.98 and 102,375.87

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Solution

The fourth proportional to 174,009.75, 240,121.98 and 102,375.87 is: 141,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,009.75 : 240,121.98 = 102,375.87 : x
  2. Step 2: Convert to fraction form
    174,009.75/240,121.98 = 102,375.87/x
  3. Step 3: Cross multiply
    174,009.75x = 240,121.98 × 102,375.87
  4. Step 4: Simplify right side
    174,009.75x = 24,582,696,608.62
  5. Step 5: Solve for x
    x = 24,582,696,608.62/174,009.75
  6. Step 6: Final answer
    x = 141,271.95

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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.