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Finding the Fourth Proportional to 175,160.54, 262,840.80 and 68,553.20

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Solution

The fourth proportional to 175,160.54, 262,840.80 and 68,553.20 is: 102,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,160.54 : 262,840.80 = 68,553.20 : x
  2. Step 2: Convert to fraction form
    175,160.54/262,840.80 = 68,553.20/x
  3. Step 3: Cross multiply
    175,160.54x = 262,840.80 × 68,553.20
  4. Step 4: Simplify right side
    175,160.54x = 18,018,577,930.56
  5. Step 5: Solve for x
    x = 18,018,577,930.56/175,160.54
  6. Step 6: Final answer
    x = 102,868.93

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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.