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Finding the Fourth Proportional to 74,849.64, 112,274.46 and 35,352.42

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Solution

The fourth proportional to 74,849.64, 112,274.46 and 35,352.42 is: 53,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,849.64 : 112,274.46 = 35,352.42 : x
  2. Step 2: Convert to fraction form
    74,849.64/112,274.46 = 35,352.42/x
  3. Step 3: Cross multiply
    74,849.64x = 112,274.46 × 35,352.42
  4. Step 4: Simplify right side
    74,849.64x = 3,969,173,865.19
  5. Step 5: Solve for x
    x = 3,969,173,865.19/74,849.64
  6. Step 6: Final answer
    x = 53,028.63

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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.