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Finding the Fourth Proportional to 99,324.44, 137,097.35 and 65,359.11

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Solution

The fourth proportional to 99,324.44, 137,097.35 and 65,359.11 is: 90,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.44 : 137,097.35 = 65,359.11 : x
  2. Step 2: Convert to fraction form
    99,324.44/137,097.35 = 65,359.11/x
  3. Step 3: Cross multiply
    99,324.44x = 137,097.35 × 65,359.11
  4. Step 4: Simplify right side
    99,324.44x = 8,960,560,452.56
  5. Step 5: Solve for x
    x = 8,960,560,452.56/99,324.44
  6. Step 6: Final answer
    x = 90,215.07

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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.