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Finding the Fourth Proportional to 92,907.53, 139,382.06 and 29,731.44

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Solution

The fourth proportional to 92,907.53, 139,382.06 and 29,731.44 is: 44,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.53 : 139,382.06 = 29,731.44 : x
  2. Step 2: Convert to fraction form
    92,907.53/139,382.06 = 29,731.44/x
  3. Step 3: Cross multiply
    92,907.53x = 139,382.06 × 29,731.44
  4. Step 4: Simplify right side
    92,907.53x = 4,144,029,205.31
  5. Step 5: Solve for x
    x = 4,144,029,205.31/92,907.53
  6. Step 6: Final answer
    x = 44,603.81

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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.