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Finding the Fourth Proportional to 76,604.57, 114,883.48 and 61,576.04

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Solution

The fourth proportional to 76,604.57, 114,883.48 and 61,576.04 is: 92,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,604.57 : 114,883.48 = 61,576.04 : x
  2. Step 2: Convert to fraction form
    76,604.57/114,883.48 = 61,576.04/x
  3. Step 3: Cross multiply
    76,604.57x = 114,883.48 × 61,576.04
  4. Step 4: Simplify right side
    76,604.57x = 7,074,069,185.40
  5. Step 5: Solve for x
    x = 7,074,069,185.40/76,604.57
  6. Step 6: Final answer
    x = 92,345.27

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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.