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Finding the Fourth Proportional to 183,746.40, 275,425.20 and 71,383.20

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Solution

The fourth proportional to 183,746.40, 275,425.20 and 71,383.20 is: 106,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,746.40 : 275,425.20 = 71,383.20 : x
  2. Step 2: Convert to fraction form
    183,746.40/275,425.20 = 71,383.20/x
  3. Step 3: Cross multiply
    183,746.40x = 275,425.20 × 71,383.20
  4. Step 4: Simplify right side
    183,746.40x = 19,660,732,136.64
  5. Step 5: Solve for x
    x = 19,660,732,136.64/183,746.40
  6. Step 6: Final answer
    x = 106,999.28

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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.