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Finding the Fourth Proportional to 92,958.52, 139,093.26 and 55,538.96

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Solution

The fourth proportional to 92,958.52, 139,093.26 and 55,538.96 is: 83,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,958.52 : 139,093.26 = 55,538.96 : x
  2. Step 2: Convert to fraction form
    92,958.52/139,093.26 = 55,538.96/x
  3. Step 3: Cross multiply
    92,958.52x = 139,093.26 × 55,538.96
  4. Step 4: Simplify right side
    92,958.52x = 7,725,095,003.41
  5. Step 5: Solve for x
    x = 7,725,095,003.41/92,958.52
  6. Step 6: Final answer
    x = 83,102.60

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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.