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Finding the Fourth Proportional to 92,453.96, 138,776.66 and 56,940.86

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Solution

The fourth proportional to 92,453.96, 138,776.66 and 56,940.86 is: 85,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,453.96 : 138,776.66 = 56,940.86 : x
  2. Step 2: Convert to fraction form
    92,453.96/138,776.66 = 56,940.86/x
  3. Step 3: Cross multiply
    92,453.96x = 138,776.66 × 56,940.86
  4. Step 4: Simplify right side
    92,453.96x = 7,902,062,368.33
  5. Step 5: Solve for x
    x = 7,902,062,368.33/92,453.96
  6. Step 6: Final answer
    x = 85,470.24

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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.