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Finding the Fourth Proportional to 61,336.53, 92,015.16 and 19,208.31

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Solution

The fourth proportional to 61,336.53, 92,015.16 and 19,208.31 is: 28,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,336.53 : 92,015.16 = 19,208.31 : x
  2. Step 2: Convert to fraction form
    61,336.53/92,015.16 = 19,208.31/x
  3. Step 3: Cross multiply
    61,336.53x = 92,015.16 × 19,208.31
  4. Step 4: Simplify right side
    61,336.53x = 1,767,455,717.98
  5. Step 5: Solve for x
    x = 1,767,455,717.98/61,336.53
  6. Step 6: Final answer
    x = 28,815.71

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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.