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Finding the Fourth Proportional to 164,525.76, 246,414.15 and 128,764.08

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Solution

The fourth proportional to 164,525.76, 246,414.15 and 128,764.08 is: 192,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,525.76 : 246,414.15 = 128,764.08 : x
  2. Step 2: Convert to fraction form
    164,525.76/246,414.15 = 128,764.08/x
  3. Step 3: Cross multiply
    164,525.76x = 246,414.15 × 128,764.08
  4. Step 4: Simplify right side
    164,525.76x = 31,729,291,323.73
  5. Step 5: Solve for x
    x = 31,729,291,323.73/164,525.76
  6. Step 6: Final answer
    x = 192,853.03

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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.