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Finding the Fourth Proportional to 91,704.54, 137,511.42 and 32,531.34

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Solution

The fourth proportional to 91,704.54, 137,511.42 and 32,531.34 is: 48,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,704.54 : 137,511.42 = 32,531.34 : x
  2. Step 2: Convert to fraction form
    91,704.54/137,511.42 = 32,531.34/x
  3. Step 3: Cross multiply
    91,704.54x = 137,511.42 × 32,531.34
  4. Step 4: Simplify right side
    91,704.54x = 4,473,430,757.90
  5. Step 5: Solve for x
    x = 4,473,430,757.90/91,704.54
  6. Step 6: Final answer
    x = 48,780.91

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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.