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Finding the Fourth Proportional to 178,873.91, 246,879.25 and 102,393.01

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Solution

The fourth proportional to 178,873.91, 246,879.25 and 102,393.01 is: 141,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,873.91 : 246,879.25 = 102,393.01 : x
  2. Step 2: Convert to fraction form
    178,873.91/246,879.25 = 102,393.01/x
  3. Step 3: Cross multiply
    178,873.91x = 246,879.25 × 102,393.01
  4. Step 4: Simplify right side
    178,873.91x = 25,278,708,023.66
  5. Step 5: Solve for x
    x = 25,278,708,023.66/178,873.91
  6. Step 6: Final answer
    x = 141,321.38

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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.