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Finding the Fourth Proportional to 92,014.92, 138,006.72 and 29,685.42

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Solution

The fourth proportional to 92,014.92, 138,006.72 and 29,685.42 is: 44,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,014.92 : 138,006.72 = 29,685.42 : x
  2. Step 2: Convert to fraction form
    92,014.92/138,006.72 = 29,685.42/x
  3. Step 3: Cross multiply
    92,014.92x = 138,006.72 × 29,685.42
  4. Step 4: Simplify right side
    92,014.92x = 4,096,787,446.02
  5. Step 5: Solve for x
    x = 4,096,787,446.02/92,014.92
  6. Step 6: Final answer
    x = 44,523.08

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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.