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Finding the Fourth Proportional to 168,343, 232,318.20 and 92,896.36

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Solution

The fourth proportional to 168,343, 232,318.20 and 92,896.36 is: 128,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,343 : 232,318.20 = 92,896.36 : x
  2. Step 2: Convert to fraction form
    168,343/232,318.20 = 92,896.36/x
  3. Step 3: Cross multiply
    168,343x = 232,318.20 × 92,896.36
  4. Step 4: Simplify right side
    168,343x = 21,581,515,141.75
  5. Step 5: Solve for x
    x = 21,581,515,141.75/168,343
  6. Step 6: Final answer
    x = 128,199.66

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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.