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Finding the Fourth Proportional to 275,133.45, 412,208.10 and 169,829.40

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Solution

The fourth proportional to 275,133.45, 412,208.10 and 169,829.40 is: 254,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,133.45 : 412,208.10 = 169,829.40 : x
  2. Step 2: Convert to fraction form
    275,133.45/412,208.10 = 169,829.40/x
  3. Step 3: Cross multiply
    275,133.45x = 412,208.10 × 169,829.40
  4. Step 4: Simplify right side
    275,133.45x = 70,005,054,298.14
  5. Step 5: Solve for x
    x = 70,005,054,298.14/275,133.45
  6. Step 6: Final answer
    x = 254,440.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.