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Finding the Fourth Proportional to 198,379.56, 297,585.54 and 93,141.12

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Solution

The fourth proportional to 198,379.56, 297,585.54 and 93,141.12 is: 139,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,379.56 : 297,585.54 = 93,141.12 : x
  2. Step 2: Convert to fraction form
    198,379.56/297,585.54 = 93,141.12/x
  3. Step 3: Cross multiply
    198,379.56x = 297,585.54 × 93,141.12
  4. Step 4: Simplify right side
    198,379.56x = 27,717,450,491.40
  5. Step 5: Solve for x
    x = 27,717,450,491.40/198,379.56
  6. Step 6: Final answer
    x = 139,719.29

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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.