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Finding the Fourth Proportional to 168,403.98, 232,403.12 and 91,927.61

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Solution

The fourth proportional to 168,403.98, 232,403.12 and 91,927.61 is: 126,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,403.98 : 232,403.12 = 91,927.61 : x
  2. Step 2: Convert to fraction form
    168,403.98/232,403.12 = 91,927.61/x
  3. Step 3: Cross multiply
    168,403.98x = 232,403.12 × 91,927.61
  4. Step 4: Simplify right side
    168,403.98x = 21,364,261,756.49
  5. Step 5: Solve for x
    x = 21,364,261,756.49/168,403.98
  6. Step 6: Final answer
    x = 126,863.16

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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.