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Finding the Fourth Proportional to 281,751.37, 422,653.11 and 101,881.69

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Solution

The fourth proportional to 281,751.37, 422,653.11 and 101,881.69 is: 152,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,751.37 : 422,653.11 = 101,881.69 : x
  2. Step 2: Convert to fraction form
    281,751.37/422,653.11 = 101,881.69/x
  3. Step 3: Cross multiply
    281,751.37x = 422,653.11 × 101,881.69
  4. Step 4: Simplify right side
    281,751.37x = 43,060,611,691.87
  5. Step 5: Solve for x
    x = 43,060,611,691.87/281,751.37
  6. Step 6: Final answer
    x = 152,831.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.