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Finding the Fourth Proportional to 126,327.96, 174,327.96 and 69,738.12

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Solution

The fourth proportional to 126,327.96, 174,327.96 and 69,738.12 is: 96,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327.96 : 174,327.96 = 69,738.12 : x
  2. Step 2: Convert to fraction form
    126,327.96/174,327.96 = 69,738.12/x
  3. Step 3: Cross multiply
    126,327.96x = 174,327.96 × 69,738.12
  4. Step 4: Simplify right side
    126,327.96x = 12,157,304,193.84
  5. Step 5: Solve for x
    x = 12,157,304,193.84/126,327.96
  6. Step 6: Final answer
    x = 96,236.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.