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Finding the Fourth Proportional to 92,624.60, 138,922.34 and 29,436.40

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Solution

The fourth proportional to 92,624.60, 138,922.34 and 29,436.40 is: 44,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,624.60 : 138,922.34 = 29,436.40 : x
  2. Step 2: Convert to fraction form
    92,624.60/138,922.34 = 29,436.40/x
  3. Step 3: Cross multiply
    92,624.60x = 138,922.34 × 29,436.40
  4. Step 4: Simplify right side
    92,624.60x = 4,089,373,569.18
  5. Step 5: Solve for x
    x = 4,089,373,569.18/92,624.60
  6. Step 6: Final answer
    x = 44,149.97

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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.