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Finding the Fourth Proportional to 168,356.91, 232,337.43 and 91,880.92

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Solution

The fourth proportional to 168,356.91, 232,337.43 and 91,880.92 is: 126,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,356.91 : 232,337.43 = 91,880.92 : x
  2. Step 2: Convert to fraction form
    168,356.91/232,337.43 = 91,880.92/x
  3. Step 3: Cross multiply
    168,356.91x = 232,337.43 × 91,880.92
  4. Step 4: Simplify right side
    168,356.91x = 21,347,378,150.33
  5. Step 5: Solve for x
    x = 21,347,378,150.33/168,356.91
  6. Step 6: Final answer
    x = 126,798.35

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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.