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Finding the Fourth Proportional to 89,937.87, 124,114.44 and 49,651.69

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Solution

The fourth proportional to 89,937.87, 124,114.44 and 49,651.69 is: 68,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.87 : 124,114.44 = 49,651.69 : x
  2. Step 2: Convert to fraction form
    89,937.87/124,114.44 = 49,651.69/x
  3. Step 3: Cross multiply
    89,937.87x = 124,114.44 × 49,651.69
  4. Step 4: Simplify right side
    89,937.87x = 6,162,491,699.40
  5. Step 5: Solve for x
    x = 6,162,491,699.40/89,937.87
  6. Step 6: Final answer
    x = 68,519.43

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1.5x scale

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.