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Finding the Fourth Proportional to 180,327.56, 248,847.54 and 99,759.56

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Solution

The fourth proportional to 180,327.56, 248,847.54 and 99,759.56 is: 137,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,327.56 : 248,847.54 = 99,759.56 : x
  2. Step 2: Convert to fraction form
    180,327.56/248,847.54 = 99,759.56/x
  3. Step 3: Cross multiply
    180,327.56x = 248,847.54 × 99,759.56
  4. Step 4: Simplify right side
    180,327.56x = 24,824,921,097.48
  5. Step 5: Solve for x
    x = 24,824,921,097.48/180,327.56
  6. Step 6: Final answer
    x = 137,665.71

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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.