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Finding the Fourth Proportional to 173,755.40, 260,633.10 and 164,078.60

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Solution

The fourth proportional to 173,755.40, 260,633.10 and 164,078.60 is: 246,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,755.40 : 260,633.10 = 164,078.60 : x
  2. Step 2: Convert to fraction form
    173,755.40/260,633.10 = 164,078.60/x
  3. Step 3: Cross multiply
    173,755.40x = 260,633.10 × 164,078.60
  4. Step 4: Simplify right side
    173,755.40x = 42,764,314,161.66
  5. Step 5: Solve for x
    x = 42,764,314,161.66/173,755.40
  6. Step 6: Final answer
    x = 246,117.90

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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.