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Finding the Fourth Proportional to 92,012.99, 137,937.57 and 35,839.98

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Solution

The fourth proportional to 92,012.99, 137,937.57 and 35,839.98 is: 53,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012.99 : 137,937.57 = 35,839.98 : x
  2. Step 2: Convert to fraction form
    92,012.99/137,937.57 = 35,839.98/x
  3. Step 3: Cross multiply
    92,012.99x = 137,937.57 × 35,839.98
  4. Step 4: Simplify right side
    92,012.99x = 4,943,679,750.05
  5. Step 5: Solve for x
    x = 4,943,679,750.05/92,012.99
  6. Step 6: Final answer
    x = 53,728.07

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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.