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Finding the Fourth Proportional to 167,403.60, 251,105.40 and 166,237.20

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Solution

The fourth proportional to 167,403.60, 251,105.40 and 166,237.20 is: 249,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,403.60 : 251,105.40 = 166,237.20 : x
  2. Step 2: Convert to fraction form
    167,403.60/251,105.40 = 166,237.20/x
  3. Step 3: Cross multiply
    167,403.60x = 251,105.40 × 166,237.20
  4. Step 4: Simplify right side
    167,403.60x = 41,743,058,600.88
  5. Step 5: Solve for x
    x = 41,743,058,600.88/167,403.60
  6. Step 6: Final answer
    x = 249,355.80

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1.5x scale

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.