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Finding the Fourth Proportional to 61,136.56, 91,569.36 and 46,992.44

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Solution

The fourth proportional to 61,136.56, 91,569.36 and 46,992.44 is: 70,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.56 : 91,569.36 = 46,992.44 : x
  2. Step 2: Convert to fraction form
    61,136.56/91,569.36 = 46,992.44/x
  3. Step 3: Cross multiply
    61,136.56x = 91,569.36 × 46,992.44
  4. Step 4: Simplify right side
    61,136.56x = 4,303,067,655.64
  5. Step 5: Solve for x
    x = 4,303,067,655.64/61,136.56
  6. Step 6: Final answer
    x = 70,384.52

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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.