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Finding the Fourth Proportional to 155,249.92, 213,753.60 and 141,060.40

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Solution

The fourth proportional to 155,249.92, 213,753.60 and 141,060.40 is: 194,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,249.92 : 213,753.60 = 141,060.40 : x
  2. Step 2: Convert to fraction form
    155,249.92/213,753.60 = 141,060.40/x
  3. Step 3: Cross multiply
    155,249.92x = 213,753.60 × 141,060.40
  4. Step 4: Simplify right side
    155,249.92x = 30,152,168,317.44
  5. Step 5: Solve for x
    x = 30,152,168,317.44/155,249.92
  6. Step 6: Final answer
    x = 194,216.97

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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.