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Finding the Fourth Proportional to 251,901.60, 376,977.60 and 173,169.60

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Solution

The fourth proportional to 251,901.60, 376,977.60 and 173,169.60 is: 259,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,901.60 : 376,977.60 = 173,169.60 : x
  2. Step 2: Convert to fraction form
    251,901.60/376,977.60 = 173,169.60/x
  3. Step 3: Cross multiply
    251,901.60x = 376,977.60 × 173,169.60
  4. Step 4: Simplify right side
    251,901.60x = 65,281,060,200.96
  5. Step 5: Solve for x
    x = 65,281,060,200.96/251,901.60
  6. Step 6: Final answer
    x = 259,153.02

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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.