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Finding the Fourth Proportional to 178,446.89, 246,277.28 and 106,826.90

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Solution

The fourth proportional to 178,446.89, 246,277.28 and 106,826.90 is: 147,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,446.89 : 246,277.28 = 106,826.90 : x
  2. Step 2: Convert to fraction form
    178,446.89/246,277.28 = 106,826.90/x
  3. Step 3: Cross multiply
    178,446.89x = 246,277.28 × 106,826.90
  4. Step 4: Simplify right side
    178,446.89x = 26,309,037,398.51
  5. Step 5: Solve for x
    x = 26,309,037,398.51/178,446.89
  6. Step 6: Final answer
    x = 147,433.43

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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.