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Finding the Fourth Proportional to 173,906.20, 260,859.30 and 165,741.40

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Solution

The fourth proportional to 173,906.20, 260,859.30 and 165,741.40 is: 248,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,906.20 : 260,859.30 = 165,741.40 : x
  2. Step 2: Convert to fraction form
    173,906.20/260,859.30 = 165,741.40/x
  3. Step 3: Cross multiply
    173,906.20x = 260,859.30 × 165,741.40
  4. Step 4: Simplify right side
    173,906.20x = 43,235,185,585.02
  5. Step 5: Solve for x
    x = 43,235,185,585.02/173,906.20
  6. Step 6: Final answer
    x = 248,612.10

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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.