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Finding the Fourth Proportional to 167,556.40, 251,334.60 and 159,780.40

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Solution

The fourth proportional to 167,556.40, 251,334.60 and 159,780.40 is: 239,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,556.40 : 251,334.60 = 159,780.40 : x
  2. Step 2: Convert to fraction form
    167,556.40/251,334.60 = 159,780.40/x
  3. Step 3: Cross multiply
    167,556.40x = 251,334.60 × 159,780.40
  4. Step 4: Simplify right side
    167,556.40x = 40,158,342,921.84
  5. Step 5: Solve for x
    x = 40,158,342,921.84/167,556.40
  6. Step 6: Final answer
    x = 239,670.60

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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.