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Finding the Fourth Proportional to 92,608.96, 138,901.92 and 30,274.24

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Solution

The fourth proportional to 92,608.96, 138,901.92 and 30,274.24 is: 45,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,608.96 : 138,901.92 = 30,274.24 : x
  2. Step 2: Convert to fraction form
    92,608.96/138,901.92 = 30,274.24/x
  3. Step 3: Cross multiply
    92,608.96x = 138,901.92 × 30,274.24
  4. Step 4: Simplify right side
    92,608.96x = 4,205,150,062.54
  5. Step 5: Solve for x
    x = 4,205,150,062.54/92,608.96
  6. Step 6: Final answer
    x = 45,407.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.