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Finding the Fourth Proportional to 168,674.52, 232,742.76 and 100,718.92

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Solution

The fourth proportional to 168,674.52, 232,742.76 and 100,718.92 is: 138,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,674.52 : 232,742.76 = 100,718.92 : x
  2. Step 2: Convert to fraction form
    168,674.52/232,742.76 = 100,718.92/x
  3. Step 3: Cross multiply
    168,674.52x = 232,742.76 × 100,718.92
  4. Step 4: Simplify right side
    168,674.52x = 23,441,599,425.02
  5. Step 5: Solve for x
    x = 23,441,599,425.02/168,674.52
  6. Step 6: Final answer
    x = 138,975.34

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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.