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Finding the Fourth Proportional to 173,880.60, 261,015.30 and 134,611.80

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Solution

The fourth proportional to 173,880.60, 261,015.30 and 134,611.80 is: 202,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,880.60 : 261,015.30 = 134,611.80 : x
  2. Step 2: Convert to fraction form
    173,880.60/261,015.30 = 134,611.80/x
  3. Step 3: Cross multiply
    173,880.60x = 261,015.30 × 134,611.80
  4. Step 4: Simplify right side
    173,880.60x = 35,135,739,360.54
  5. Step 5: Solve for x
    x = 35,135,739,360.54/173,880.60
  6. Step 6: Final answer
    x = 202,068.20

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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.