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Finding the Fourth Proportional to 75,220.85, 103,800.56 and 41,222.86

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Solution

The fourth proportional to 75,220.85, 103,800.56 and 41,222.86 is: 56,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,220.85 : 103,800.56 = 41,222.86 : x
  2. Step 2: Convert to fraction form
    75,220.85/103,800.56 = 41,222.86/x
  3. Step 3: Cross multiply
    75,220.85x = 103,800.56 × 41,222.86
  4. Step 4: Simplify right side
    75,220.85x = 4,278,955,487.19
  5. Step 5: Solve for x
    x = 4,278,955,487.19/75,220.85
  6. Step 6: Final answer
    x = 56,885.23

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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.