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Finding the Fourth Proportional to 251,435.40, 377,100.18 and 73,894.20

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Solution

The fourth proportional to 251,435.40, 377,100.18 and 73,894.20 is: 110,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,435.40 : 377,100.18 = 73,894.20 : x
  2. Step 2: Convert to fraction form
    251,435.40/377,100.18 = 73,894.20/x
  3. Step 3: Cross multiply
    251,435.40x = 377,100.18 × 73,894.20
  4. Step 4: Simplify right side
    251,435.40x = 27,865,516,120.96
  5. Step 5: Solve for x
    x = 27,865,516,120.96/251,435.40
  6. Step 6: Final answer
    x = 110,825.75

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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.