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Finding the Fourth Proportional to 271,976.60, 407,867.70 and 94,489.40

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Solution

The fourth proportional to 271,976.60, 407,867.70 and 94,489.40 is: 141,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,976.60 : 407,867.70 = 94,489.40 : x
  2. Step 2: Convert to fraction form
    271,976.60/407,867.70 = 94,489.40/x
  3. Step 3: Cross multiply
    271,976.60x = 407,867.70 × 94,489.40
  4. Step 4: Simplify right side
    271,976.60x = 38,539,174,252.38
  5. Step 5: Solve for x
    x = 38,539,174,252.38/271,976.60
  6. Step 6: Final answer
    x = 141,700.33

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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.