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Finding the Fourth Proportional to 256,750.40, 354,196.17 and 166,135.62

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Solution

The fourth proportional to 256,750.40, 354,196.17 and 166,135.62 is: 229,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,750.40 : 354,196.17 = 166,135.62 : x
  2. Step 2: Convert to fraction form
    256,750.40/354,196.17 = 166,135.62/x
  3. Step 3: Cross multiply
    256,750.40x = 354,196.17 × 166,135.62
  4. Step 4: Simplify right side
    256,750.40x = 58,844,600,304.58
  5. Step 5: Solve for x
    x = 58,844,600,304.58/256,750.40
  6. Step 6: Final answer
    x = 229,189.91

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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.