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Finding the Fourth Proportional to 139,576.56, 192,598.20 and 94,352.91

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Solution

The fourth proportional to 139,576.56, 192,598.20 and 94,352.91 is: 130,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,576.56 : 192,598.20 = 94,352.91 : x
  2. Step 2: Convert to fraction form
    139,576.56/192,598.20 = 94,352.91/x
  3. Step 3: Cross multiply
    139,576.56x = 192,598.20 × 94,352.91
  4. Step 4: Simplify right side
    139,576.56x = 18,172,200,630.76
  5. Step 5: Solve for x
    x = 18,172,200,630.76/139,576.56
  6. Step 6: Final answer
    x = 130,195.22

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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.