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Finding the Fourth Proportional to 70,135.74, 96,794.28 and 41,841.42

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Solution

The fourth proportional to 70,135.74, 96,794.28 and 41,841.42 is: 57,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.74 : 96,794.28 = 41,841.42 : x
  2. Step 2: Convert to fraction form
    70,135.74/96,794.28 = 41,841.42/x
  3. Step 3: Cross multiply
    70,135.74x = 96,794.28 × 41,841.42
  4. Step 4: Simplify right side
    70,135.74x = 4,050,010,486.06
  5. Step 5: Solve for x
    x = 4,050,010,486.06/70,135.74
  6. Step 6: Final answer
    x = 57,745.32

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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.