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Finding the Fourth Proportional to 178,858.81, 246,822.11 and 98,286.24

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Solution

The fourth proportional to 178,858.81, 246,822.11 and 98,286.24 is: 135,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,858.81 : 246,822.11 = 98,286.24 : x
  2. Step 2: Convert to fraction form
    178,858.81/246,822.11 = 98,286.24/x
  3. Step 3: Cross multiply
    178,858.81x = 246,822.11 × 98,286.24
  4. Step 4: Simplify right side
    178,858.81x = 24,259,217,140.77
  5. Step 5: Solve for x
    x = 24,259,217,140.77/178,858.81
  6. Step 6: Final answer
    x = 135,633.34

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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.