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Finding the Fourth Proportional to 168,180.70, 251,985.58 and 101,480.68

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Solution

The fourth proportional to 168,180.70, 251,985.58 and 101,480.68 is: 152,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,180.70 : 251,985.58 = 101,480.68 : x
  2. Step 2: Convert to fraction form
    168,180.70/251,985.58 = 101,480.68/x
  3. Step 3: Cross multiply
    168,180.70x = 251,985.58 × 101,480.68
  4. Step 4: Simplify right side
    168,180.70x = 25,571,666,241.26
  5. Step 5: Solve for x
    x = 25,571,666,241.26/168,180.70
  6. Step 6: Final answer
    x = 152,048.76

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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.