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Finding the Fourth Proportional to 244,366.65, 366,568.20 and 86,574.60

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Solution

The fourth proportional to 244,366.65, 366,568.20 and 86,574.60 is: 129,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,366.65 : 366,568.20 = 86,574.60 : x
  2. Step 2: Convert to fraction form
    244,366.65/366,568.20 = 86,574.60/x
  3. Step 3: Cross multiply
    244,366.65x = 366,568.20 × 86,574.60
  4. Step 4: Simplify right side
    244,366.65x = 31,735,495,287.72
  5. Step 5: Solve for x
    x = 31,735,495,287.72/244,366.65
  6. Step 6: Final answer
    x = 129,868.36

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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.