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Finding the Fourth Proportional to 140,093.63, 193,344.11 and 85,677.63

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Solution

The fourth proportional to 140,093.63, 193,344.11 and 85,677.63 is: 118,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093.63 : 193,344.11 = 85,677.63 : x
  2. Step 2: Convert to fraction form
    140,093.63/193,344.11 = 85,677.63/x
  3. Step 3: Cross multiply
    140,093.63x = 193,344.11 × 85,677.63
  4. Step 4: Simplify right side
    140,093.63x = 16,565,265,119.26
  5. Step 5: Solve for x
    x = 16,565,265,119.26/140,093.63
  6. Step 6: Final answer
    x = 118,244.24

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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.