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Finding the Fourth Proportional to 224,658.14, 336,986.58 and 91,507.10

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Solution

The fourth proportional to 224,658.14, 336,986.58 and 91,507.10 is: 137,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,658.14 : 336,986.58 = 91,507.10 : x
  2. Step 2: Convert to fraction form
    224,658.14/336,986.58 = 91,507.10/x
  3. Step 3: Cross multiply
    224,658.14x = 336,986.58 × 91,507.10
  4. Step 4: Simplify right side
    224,658.14x = 30,836,664,674.72
  5. Step 5: Solve for x
    x = 30,836,664,674.72/224,658.14
  6. Step 6: Final answer
    x = 137,260.39

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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.