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Finding the Fourth Proportional to 256,179.42, 353,539.53 and 141,474.24

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Solution

The fourth proportional to 256,179.42, 353,539.53 and 141,474.24 is: 195,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,179.42 : 353,539.53 = 141,474.24 : x
  2. Step 2: Convert to fraction form
    256,179.42/353,539.53 = 141,474.24/x
  3. Step 3: Cross multiply
    256,179.42x = 353,539.53 × 141,474.24
  4. Step 4: Simplify right side
    256,179.42x = 50,016,736,316.71
  5. Step 5: Solve for x
    x = 50,016,736,316.71/256,179.42
  6. Step 6: Final answer
    x = 195,241.04

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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.