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Finding the Fourth Proportional to 168,393.40, 232,384.82 and 92,941.96

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Solution

The fourth proportional to 168,393.40, 232,384.82 and 92,941.96 is: 128,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,393.40 : 232,384.82 = 92,941.96 : x
  2. Step 2: Convert to fraction form
    168,393.40/232,384.82 = 92,941.96/x
  3. Step 3: Cross multiply
    168,393.40x = 232,384.82 × 92,941.96
  4. Step 4: Simplify right side
    168,393.40x = 21,598,300,645.05
  5. Step 5: Solve for x
    x = 21,598,300,645.05/168,393.40
  6. Step 6: Final answer
    x = 128,260.97

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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.