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Finding the Fourth Proportional to 168,356.95, 232,337.49 and 91,880.96

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Solution

The fourth proportional to 168,356.95, 232,337.49 and 91,880.96 is: 126,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,356.95 : 232,337.49 = 91,880.96 : x
  2. Step 2: Convert to fraction form
    168,356.95/232,337.49 = 91,880.96/x
  3. Step 3: Cross multiply
    168,356.95x = 232,337.49 × 91,880.96
  4. Step 4: Simplify right side
    168,356.95x = 21,347,391,976.33
  5. Step 5: Solve for x
    x = 21,347,391,976.33/168,356.95
  6. Step 6: Final answer
    x = 126,798.40

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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.