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Finding the Fourth Proportional to 92,016.28, 138,024.20 and 28,841.20

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Solution

The fourth proportional to 92,016.28, 138,024.20 and 28,841.20 is: 43,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016.28 : 138,024.20 = 28,841.20 : x
  2. Step 2: Convert to fraction form
    92,016.28/138,024.20 = 28,841.20/x
  3. Step 3: Cross multiply
    92,016.28x = 138,024.20 × 28,841.20
  4. Step 4: Simplify right side
    92,016.28x = 3,980,783,557.04
  5. Step 5: Solve for x
    x = 3,980,783,557.04/92,016.28
  6. Step 6: Final answer
    x = 43,261.73

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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.