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Finding the Fourth Proportional to 164,481.40, 246,746.40 and 52,172.20

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Solution

The fourth proportional to 164,481.40, 246,746.40 and 52,172.20 is: 78,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,481.40 : 246,746.40 = 52,172.20 : x
  2. Step 2: Convert to fraction form
    164,481.40/246,746.40 = 52,172.20/x
  3. Step 3: Cross multiply
    164,481.40x = 246,746.40 × 52,172.20
  4. Step 4: Simplify right side
    164,481.40x = 12,873,302,530.08
  5. Step 5: Solve for x
    x = 12,873,302,530.08/164,481.40
  6. Step 6: Final answer
    x = 78,266.01

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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.