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Finding the Fourth Proportional to 168,807.52, 232,944.92 and 92,311.40

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Solution

The fourth proportional to 168,807.52, 232,944.92 and 92,311.40 is: 127,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,807.52 : 232,944.92 = 92,311.40 : x
  2. Step 2: Convert to fraction form
    168,807.52/232,944.92 = 92,311.40/x
  3. Step 3: Cross multiply
    168,807.52x = 232,944.92 × 92,311.40
  4. Step 4: Simplify right side
    168,807.52x = 21,503,471,688.09
  5. Step 5: Solve for x
    x = 21,503,471,688.09/168,807.52
  6. Step 6: Final answer
    x = 127,384.56

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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.