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Finding the Fourth Proportional to 164,814.80, 247,049.40 and 64,936.40

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Solution

The fourth proportional to 164,814.80, 247,049.40 and 64,936.40 is: 97,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,814.80 : 247,049.40 = 64,936.40 : x
  2. Step 2: Convert to fraction form
    164,814.80/247,049.40 = 64,936.40/x
  3. Step 3: Cross multiply
    164,814.80x = 247,049.40 × 64,936.40
  4. Step 4: Simplify right side
    164,814.80x = 16,042,498,658.16
  5. Step 5: Solve for x
    x = 16,042,498,658.16/164,814.80
  6. Step 6: Final answer
    x = 97,336.52

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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.