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Finding the Fourth Proportional to 139,814.41, 192,877.92 and 94,508.21

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Solution

The fourth proportional to 139,814.41, 192,877.92 and 94,508.21 is: 130,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,814.41 : 192,877.92 = 94,508.21 : x
  2. Step 2: Convert to fraction form
    139,814.41/192,877.92 = 94,508.21/x
  3. Step 3: Cross multiply
    139,814.41x = 192,877.92 × 94,508.21
  4. Step 4: Simplify right side
    139,814.41x = 18,228,546,003.33
  5. Step 5: Solve for x
    x = 18,228,546,003.33/139,814.41
  6. Step 6: Final answer
    x = 130,376.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.