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Finding the Fourth Proportional to 256,577.42, 384,922.83 and 88,093.91

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Solution

The fourth proportional to 256,577.42, 384,922.83 and 88,093.91 is: 132,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,577.42 : 384,922.83 = 88,093.91 : x
  2. Step 2: Convert to fraction form
    256,577.42/384,922.83 = 88,093.91/x
  3. Step 3: Cross multiply
    256,577.42x = 384,922.83 × 88,093.91
  4. Step 4: Simplify right side
    256,577.42x = 33,909,357,142.97
  5. Step 5: Solve for x
    x = 33,909,357,142.97/256,577.42
  6. Step 6: Final answer
    x = 132,160.33

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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.