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Finding the Fourth Proportional to 178,884.76, 246,844.90 and 98,311.40

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Solution

The fourth proportional to 178,884.76, 246,844.90 and 98,311.40 is: 135,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,884.76 : 246,844.90 = 98,311.40 : x
  2. Step 2: Convert to fraction form
    178,884.76/246,844.90 = 98,311.40/x
  3. Step 3: Cross multiply
    178,884.76x = 246,844.90 × 98,311.40
  4. Step 4: Simplify right side
    178,884.76x = 24,267,667,701.86
  5. Step 5: Solve for x
    x = 24,267,667,701.86/178,884.76
  6. Step 6: Final answer
    x = 135,660.90

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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.