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Finding the Fourth Proportional to 164,068.80, 246,103.20 and 140,449.20

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Solution

The fourth proportional to 164,068.80, 246,103.20 and 140,449.20 is: 210,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,068.80 : 246,103.20 = 140,449.20 : x
  2. Step 2: Convert to fraction form
    164,068.80/246,103.20 = 140,449.20/x
  3. Step 3: Cross multiply
    164,068.80x = 246,103.20 × 140,449.20
  4. Step 4: Simplify right side
    164,068.80x = 34,564,997,557.44
  5. Step 5: Solve for x
    x = 34,564,997,557.44/164,068.80
  6. Step 6: Final answer
    x = 210,673.80

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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.