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Finding the Fourth Proportional to 173,132.80, 259,634.40 and 60,769.60

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Solution

The fourth proportional to 173,132.80, 259,634.40 and 60,769.60 is: 91,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,132.80 : 259,634.40 = 60,769.60 : x
  2. Step 2: Convert to fraction form
    173,132.80/259,634.40 = 60,769.60/x
  3. Step 3: Cross multiply
    173,132.80x = 259,634.40 × 60,769.60
  4. Step 4: Simplify right side
    173,132.80x = 15,777,878,634.24
  5. Step 5: Solve for x
    x = 15,777,878,634.24/173,132.80
  6. Step 6: Final answer
    x = 91,131.66

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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.