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Finding the Fourth Proportional to 360,939.90, 541,304.73 and 108,210.30

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Solution

The fourth proportional to 360,939.90, 541,304.73 and 108,210.30 is: 162,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,939.90 : 541,304.73 = 108,210.30 : x
  2. Step 2: Convert to fraction form
    360,939.90/541,304.73 = 108,210.30/x
  3. Step 3: Cross multiply
    360,939.90x = 541,304.73 × 108,210.30
  4. Step 4: Simplify right side
    360,939.90x = 58,574,747,224.72
  5. Step 5: Solve for x
    x = 58,574,747,224.72/360,939.90
  6. Step 6: Final answer
    x = 162,283.93

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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.