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Finding the Fourth Proportional to 75,134.60, 103,674.90 and 41,600.52

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Solution

The fourth proportional to 75,134.60, 103,674.90 and 41,600.52 is: 57,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.60 : 103,674.90 = 41,600.52 : x
  2. Step 2: Convert to fraction form
    75,134.60/103,674.90 = 41,600.52/x
  3. Step 3: Cross multiply
    75,134.60x = 103,674.90 × 41,600.52
  4. Step 4: Simplify right side
    75,134.60x = 4,312,929,750.95
  5. Step 5: Solve for x
    x = 4,312,929,750.95/75,134.60
  6. Step 6: Final answer
    x = 57,402.71

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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.