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Finding the Fourth Proportional to 178,879.82, 246,860.07 and 98,310.20

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Solution

The fourth proportional to 178,879.82, 246,860.07 and 98,310.20 is: 135,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,879.82 : 246,860.07 = 98,310.20 : x
  2. Step 2: Convert to fraction form
    178,879.82/246,860.07 = 98,310.20/x
  3. Step 3: Cross multiply
    178,879.82x = 246,860.07 × 98,310.20
  4. Step 4: Simplify right side
    178,879.82x = 24,268,862,853.71
  5. Step 5: Solve for x
    x = 24,268,862,853.71/178,879.82
  6. Step 6: Final answer
    x = 135,671.33

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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.