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Finding the Fourth Proportional to 254,364.56, 381,546.96 and 88,152.56

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Solution

The fourth proportional to 254,364.56, 381,546.96 and 88,152.56 is: 132,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,364.56 : 381,546.96 = 88,152.56 : x
  2. Step 2: Convert to fraction form
    254,364.56/381,546.96 = 88,152.56/x
  3. Step 3: Cross multiply
    254,364.56x = 381,546.96 × 88,152.56
  4. Step 4: Simplify right side
    254,364.56x = 33,634,341,284.22
  5. Step 5: Solve for x
    x = 33,634,341,284.22/254,364.56
  6. Step 6: Final answer
    x = 132,228.88

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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.