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Finding the Fourth Proportional to 168,023.84, 231,872.76 and 92,572.34

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Solution

The fourth proportional to 168,023.84, 231,872.76 and 92,572.34 is: 127,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.84 : 231,872.76 = 92,572.34 : x
  2. Step 2: Convert to fraction form
    168,023.84/231,872.76 = 92,572.34/x
  3. Step 3: Cross multiply
    168,023.84x = 231,872.76 × 92,572.34
  4. Step 4: Simplify right side
    168,023.84x = 21,465,003,975.46
  5. Step 5: Solve for x
    x = 21,465,003,975.46/168,023.84
  6. Step 6: Final answer
    x = 127,749.75

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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.