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Finding the Fourth Proportional to 70,057.89, 96,679.89 and 44,907.39

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Solution

The fourth proportional to 70,057.89, 96,679.89 and 44,907.39 is: 61,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057.89 : 96,679.89 = 44,907.39 : x
  2. Step 2: Convert to fraction form
    70,057.89/96,679.89 = 44,907.39/x
  3. Step 3: Cross multiply
    70,057.89x = 96,679.89 × 44,907.39
  4. Step 4: Simplify right side
    70,057.89x = 4,341,641,525.39
  5. Step 5: Solve for x
    x = 4,341,641,525.39/70,057.89
  6. Step 6: Final answer
    x = 61,972.20

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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.