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Finding the Fourth Proportional to 133,683.46, 200,569.87 and 43,730.28

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Solution

The fourth proportional to 133,683.46, 200,569.87 and 43,730.28 is: 65,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,683.46 : 200,569.87 = 43,730.28 : x
  2. Step 2: Convert to fraction form
    133,683.46/200,569.87 = 43,730.28/x
  3. Step 3: Cross multiply
    133,683.46x = 200,569.87 × 43,730.28
  4. Step 4: Simplify right side
    133,683.46x = 8,770,976,574.66
  5. Step 5: Solve for x
    x = 8,770,976,574.66/133,683.46
  6. Step 6: Final answer
    x = 65,610.04

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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.