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Finding the Fourth Proportional to 173,261.60, 259,892.40 and 126,022.40

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Solution

The fourth proportional to 173,261.60, 259,892.40 and 126,022.40 is: 189,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,261.60 : 259,892.40 = 126,022.40 : x
  2. Step 2: Convert to fraction form
    173,261.60/259,892.40 = 126,022.40/x
  3. Step 3: Cross multiply
    173,261.60x = 259,892.40 × 126,022.40
  4. Step 4: Simplify right side
    173,261.60x = 32,752,263,989.76
  5. Step 5: Solve for x
    x = 32,752,263,989.76/173,261.60
  6. Step 6: Final answer
    x = 189,033.60

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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.