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Finding the Fourth Proportional to 71,253.40, 106,905 and 44,568.94

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Solution

The fourth proportional to 71,253.40, 106,905 and 44,568.94 is: 66,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,253.40 : 106,905 = 44,568.94 : x
  2. Step 2: Convert to fraction form
    71,253.40/106,905 = 44,568.94/x
  3. Step 3: Cross multiply
    71,253.40x = 106,905 × 44,568.94
  4. Step 4: Simplify right side
    71,253.40x = 4,764,642,530.70
  5. Step 5: Solve for x
    x = 4,764,642,530.70/71,253.40
  6. Step 6: Final answer
    x = 66,868.98

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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.