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Finding the Fourth Proportional to 70,808.58, 106,205.31 and 44,434.98

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Solution

The fourth proportional to 70,808.58, 106,205.31 and 44,434.98 is: 66,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,808.58 : 106,205.31 = 44,434.98 : x
  2. Step 2: Convert to fraction form
    70,808.58/106,205.31 = 44,434.98/x
  3. Step 3: Cross multiply
    70,808.58x = 106,205.31 × 44,434.98
  4. Step 4: Simplify right side
    70,808.58x = 4,719,230,825.74
  5. Step 5: Solve for x
    x = 4,719,230,825.74/70,808.58
  6. Step 6: Final answer
    x = 66,647.73

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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.