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Finding the Fourth Proportional to 256,524.56, 384,750.79 and 88,042.13

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Solution

The fourth proportional to 256,524.56, 384,750.79 and 88,042.13 is: 132,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,524.56 : 384,750.79 = 88,042.13 : x
  2. Step 2: Convert to fraction form
    256,524.56/384,750.79 = 88,042.13/x
  3. Step 3: Cross multiply
    256,524.56x = 384,750.79 × 88,042.13
  4. Step 4: Simplify right side
    256,524.56x = 33,874,279,070.78
  5. Step 5: Solve for x
    x = 33,874,279,070.78/256,524.56
  6. Step 6: Final answer
    x = 132,050.82

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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.