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Finding the Fourth Proportional to 146,781.30, 220,171.95 and 94,293.30

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Solution

The fourth proportional to 146,781.30, 220,171.95 and 94,293.30 is: 141,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,781.30 : 220,171.95 = 94,293.30 : x
  2. Step 2: Convert to fraction form
    146,781.30/220,171.95 = 94,293.30/x
  3. Step 3: Cross multiply
    146,781.30x = 220,171.95 × 94,293.30
  4. Step 4: Simplify right side
    146,781.30x = 20,760,739,732.94
  5. Step 5: Solve for x
    x = 20,760,739,732.94/146,781.30
  6. Step 6: Final answer
    x = 141,439.95

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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.