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Finding the Fourth Proportional to 173,142.60, 259,738.20 and 54,801.60

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Solution

The fourth proportional to 173,142.60, 259,738.20 and 54,801.60 is: 82,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,142.60 : 259,738.20 = 54,801.60 : x
  2. Step 2: Convert to fraction form
    173,142.60/259,738.20 = 54,801.60/x
  3. Step 3: Cross multiply
    173,142.60x = 259,738.20 × 54,801.60
  4. Step 4: Simplify right side
    173,142.60x = 14,234,068,941.12
  5. Step 5: Solve for x
    x = 14,234,068,941.12/173,142.60
  6. Step 6: Final answer
    x = 82,210.09

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