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Finding the Fourth Proportional to 178,364.94, 246,151.38 and 106,731.24

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Solution

The fourth proportional to 178,364.94, 246,151.38 and 106,731.24 is: 147,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,364.94 : 246,151.38 = 106,731.24 : x
  2. Step 2: Convert to fraction form
    178,364.94/246,151.38 = 106,731.24/x
  3. Step 3: Cross multiply
    178,364.94x = 246,151.38 × 106,731.24
  4. Step 4: Simplify right side
    178,364.94x = 26,272,042,015.11
  5. Step 5: Solve for x
    x = 26,272,042,015.11/178,364.94
  6. Step 6: Final answer
    x = 147,293.76

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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.