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Finding the Fourth Proportional to 66,513.28, 99,797.28 and 48,834.22

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Solution

The fourth proportional to 66,513.28, 99,797.28 and 48,834.22 is: 73,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,513.28 : 99,797.28 = 48,834.22 : x
  2. Step 2: Convert to fraction form
    66,513.28/99,797.28 = 48,834.22/x
  3. Step 3: Cross multiply
    66,513.28x = 99,797.28 × 48,834.22
  4. Step 4: Simplify right side
    66,513.28x = 4,873,522,326.92
  5. Step 5: Solve for x
    x = 4,873,522,326.92/66,513.28
  6. Step 6: Final answer
    x = 73,271.42

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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.