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Finding the Fourth Proportional to 75,167.76, 103,728.11 and 44,969.74

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Solution

The fourth proportional to 75,167.76, 103,728.11 and 44,969.74 is: 62,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,167.76 : 103,728.11 = 44,969.74 : x
  2. Step 2: Convert to fraction form
    75,167.76/103,728.11 = 44,969.74/x
  3. Step 3: Cross multiply
    75,167.76x = 103,728.11 × 44,969.74
  4. Step 4: Simplify right side
    75,167.76x = 4,664,626,137.39
  5. Step 5: Solve for x
    x = 4,664,626,137.39/75,167.76
  6. Step 6: Final answer
    x = 62,056.21

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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.