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Finding the Fourth Proportional to 256,597.92, 384,798.48 and 88,086.84

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Solution

The fourth proportional to 256,597.92, 384,798.48 and 88,086.84 is: 132,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,597.92 : 384,798.48 = 88,086.84 : x
  2. Step 2: Convert to fraction form
    256,597.92/384,798.48 = 88,086.84/x
  3. Step 3: Cross multiply
    256,597.92x = 384,798.48 × 88,086.84
  4. Step 4: Simplify right side
    256,597.92x = 33,895,682,140.00
  5. Step 5: Solve for x
    x = 33,895,682,140.00/256,597.92
  6. Step 6: Final answer
    x = 132,096.48

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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.