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Finding the Fourth Proportional to 74,952.37, 103,435.55 and 44,731.82

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Solution

The fourth proportional to 74,952.37, 103,435.55 and 44,731.82 is: 61,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.37 : 103,435.55 = 44,731.82 : x
  2. Step 2: Convert to fraction form
    74,952.37/103,435.55 = 44,731.82/x
  3. Step 3: Cross multiply
    74,952.37x = 103,435.55 × 44,731.82
  4. Step 4: Simplify right side
    74,952.37x = 4,626,860,606.88
  5. Step 5: Solve for x
    x = 4,626,860,606.88/74,952.37
  6. Step 6: Final answer
    x = 61,730.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.