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Finding the Fourth Proportional to 178,768.06, 246,739.22 and 123,654.92

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Solution

The fourth proportional to 178,768.06, 246,739.22 and 123,654.92 is: 170,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,768.06 : 246,739.22 = 123,654.92 : x
  2. Step 2: Convert to fraction form
    178,768.06/246,739.22 = 123,654.92/x
  3. Step 3: Cross multiply
    178,768.06x = 246,739.22 × 123,654.92
  4. Step 4: Simplify right side
    178,768.06x = 30,510,518,509.96
  5. Step 5: Solve for x
    x = 30,510,518,509.96/178,768.06
  6. Step 6: Final answer
    x = 170,670.97

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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.