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Finding the Fourth Proportional to 92,941, 139,333.12 and 40,310.84

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Solution

The fourth proportional to 92,941, 139,333.12 and 40,310.84 is: 60,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,941 : 139,333.12 = 40,310.84 : x
  2. Step 2: Convert to fraction form
    92,941/139,333.12 = 40,310.84/x
  3. Step 3: Cross multiply
    92,941x = 139,333.12 × 40,310.84
  4. Step 4: Simplify right side
    92,941x = 5,616,635,107.02
  5. Step 5: Solve for x
    x = 5,616,635,107.02/92,941
  6. Step 6: Final answer
    x = 60,432.26

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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.