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Finding the Fourth Proportional to 358,084.89, 537,127.46 and 91,845.38

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Solution

The fourth proportional to 358,084.89, 537,127.46 and 91,845.38 is: 137,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,084.89 : 537,127.46 = 91,845.38 : x
  2. Step 2: Convert to fraction form
    358,084.89/537,127.46 = 91,845.38/x
  3. Step 3: Cross multiply
    358,084.89x = 537,127.46 × 91,845.38
  4. Step 4: Simplify right side
    358,084.89x = 49,332,672,527.27
  5. Step 5: Solve for x
    x = 49,332,672,527.27/358,084.89
  6. Step 6: Final answer
    x = 137,768.09

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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.