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Finding the Fourth Proportional to 92,604.39, 138,892.10 and 29,416.20

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Solution

The fourth proportional to 92,604.39, 138,892.10 and 29,416.20 is: 44,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,604.39 : 138,892.10 = 29,416.20 : x
  2. Step 2: Convert to fraction form
    92,604.39/138,892.10 = 29,416.20/x
  3. Step 3: Cross multiply
    92,604.39x = 138,892.10 × 29,416.20
  4. Step 4: Simplify right side
    92,604.39x = 4,085,677,644.94
  5. Step 5: Solve for x
    x = 4,085,677,644.94/92,604.39
  6. Step 6: Final answer
    x = 44,119.70

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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.