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Finding the Fourth Proportional to 178,878.42, 246,847.23 and 98,305.92

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Solution

The fourth proportional to 178,878.42, 246,847.23 and 98,305.92 is: 135,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,878.42 : 246,847.23 = 98,305.92 : x
  2. Step 2: Convert to fraction form
    178,878.42/246,847.23 = 98,305.92/x
  3. Step 3: Cross multiply
    178,878.42x = 246,847.23 × 98,305.92
  4. Step 4: Simplify right side
    178,878.42x = 24,266,544,044.60
  5. Step 5: Solve for x
    x = 24,266,544,044.60/178,878.42
  6. Step 6: Final answer
    x = 135,659.43

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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.