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Finding the Fourth Proportional to 164,377.44, 246,192.45 and 128,615.88

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Solution

The fourth proportional to 164,377.44, 246,192.45 and 128,615.88 is: 192,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,377.44 : 246,192.45 = 128,615.88 : x
  2. Step 2: Convert to fraction form
    164,377.44/246,192.45 = 128,615.88/x
  3. Step 3: Cross multiply
    164,377.44x = 246,192.45 × 128,615.88
  4. Step 4: Simplify right side
    164,377.44x = 31,664,258,606.11
  5. Step 5: Solve for x
    x = 31,664,258,606.11/164,377.44
  6. Step 6: Final answer
    x = 192,631.41

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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.