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Finding the Fourth Proportional to 62,745.68, 94,070.16 and 54,414.24

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Solution

The fourth proportional to 62,745.68, 94,070.16 and 54,414.24 is: 81,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,745.68 : 94,070.16 = 54,414.24 : x
  2. Step 2: Convert to fraction form
    62,745.68/94,070.16 = 54,414.24/x
  3. Step 3: Cross multiply
    62,745.68x = 94,070.16 × 54,414.24
  4. Step 4: Simplify right side
    62,745.68x = 5,118,756,263.08
  5. Step 5: Solve for x
    x = 5,118,756,263.08/62,745.68
  6. Step 6: Final answer
    x = 81,579.42

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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.