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Finding the Fourth Proportional to 108,992.20, 163,401.90 and 59,744.20

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Solution

The fourth proportional to 108,992.20, 163,401.90 and 59,744.20 is: 89,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,992.20 : 163,401.90 = 59,744.20 : x
  2. Step 2: Convert to fraction form
    108,992.20/163,401.90 = 59,744.20/x
  3. Step 3: Cross multiply
    108,992.20x = 163,401.90 × 59,744.20
  4. Step 4: Simplify right side
    108,992.20x = 9,762,315,793.98
  5. Step 5: Solve for x
    x = 9,762,315,793.98/108,992.20
  6. Step 6: Final answer
    x = 89,568.94

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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.