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Finding the Fourth Proportional to 244,205.34, 366,252.66 and 86,433.81

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Solution

The fourth proportional to 244,205.34, 366,252.66 and 86,433.81 is: 129,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,205.34 : 366,252.66 = 86,433.81 : x
  2. Step 2: Convert to fraction form
    244,205.34/366,252.66 = 86,433.81/x
  3. Step 3: Cross multiply
    244,205.34x = 366,252.66 × 86,433.81
  4. Step 4: Simplify right side
    244,205.34x = 31,656,612,826.43
  5. Step 5: Solve for x
    x = 31,656,612,826.43/244,205.34
  6. Step 6: Final answer
    x = 129,631.12

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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.