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Finding the Fourth Proportional to 71,302.74, 106,893.96 and 44,949.36

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Solution

The fourth proportional to 71,302.74, 106,893.96 and 44,949.36 is: 67,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,302.74 : 106,893.96 = 44,949.36 : x
  2. Step 2: Convert to fraction form
    71,302.74/106,893.96 = 44,949.36/x
  3. Step 3: Cross multiply
    71,302.74x = 106,893.96 × 44,949.36
  4. Step 4: Simplify right side
    71,302.74x = 4,804,815,089.87
  5. Step 5: Solve for x
    x = 4,804,815,089.87/71,302.74
  6. Step 6: Final answer
    x = 67,386.12

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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.