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Finding the Fourth Proportional to 168,411.48, 232,409.74 and 92,959.96

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Solution

The fourth proportional to 168,411.48, 232,409.74 and 92,959.96 is: 128,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,411.48 : 232,409.74 = 92,959.96 : x
  2. Step 2: Convert to fraction form
    168,411.48/232,409.74 = 92,959.96/x
  3. Step 3: Cross multiply
    168,411.48x = 232,409.74 × 92,959.96
  4. Step 4: Simplify right side
    168,411.48x = 21,604,800,134.01
  5. Step 5: Solve for x
    x = 21,604,800,134.01/168,411.48
  6. Step 6: Final answer
    x = 128,285.79

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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.