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Finding the Fourth Proportional to 245,644.20, 368,250.30 and 166,501.80

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Solution

The fourth proportional to 245,644.20, 368,250.30 and 166,501.80 is: 249,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,644.20 : 368,250.30 = 166,501.80 : x
  2. Step 2: Convert to fraction form
    245,644.20/368,250.30 = 166,501.80/x
  3. Step 3: Cross multiply
    245,644.20x = 368,250.30 × 166,501.80
  4. Step 4: Simplify right side
    245,644.20x = 61,314,337,800.54
  5. Step 5: Solve for x
    x = 61,314,337,800.54/245,644.20
  6. Step 6: Final answer
    x = 249,606.29

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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.