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Finding the Fourth Proportional to 56,173.60, 84,012.54 and 49,977.10

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Solution

The fourth proportional to 56,173.60, 84,012.54 and 49,977.10 is: 74,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,173.60 : 84,012.54 = 49,977.10 : x
  2. Step 2: Convert to fraction form
    56,173.60/84,012.54 = 49,977.10/x
  3. Step 3: Cross multiply
    56,173.60x = 84,012.54 × 49,977.10
  4. Step 4: Simplify right side
    56,173.60x = 4,198,703,112.83
  5. Step 5: Solve for x
    x = 4,198,703,112.83/56,173.60
  6. Step 6: Final answer
    x = 74,745.13

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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.