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Finding the Fourth Proportional to 92,010.96, 137,940.96 and 47,650.32

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Solution

The fourth proportional to 92,010.96, 137,940.96 and 47,650.32 is: 71,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,010.96 : 137,940.96 = 47,650.32 : x
  2. Step 2: Convert to fraction form
    92,010.96/137,940.96 = 47,650.32/x
  3. Step 3: Cross multiply
    92,010.96x = 137,940.96 × 47,650.32
  4. Step 4: Simplify right side
    92,010.96x = 6,572,930,885.11
  5. Step 5: Solve for x
    x = 6,572,930,885.11/92,010.96
  6. Step 6: Final answer
    x = 71,436.39

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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.