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Finding the Fourth Proportional to 183,657.31, 275,504.42 and 68,282.64

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Solution

The fourth proportional to 183,657.31, 275,504.42 and 68,282.64 is: 102,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,657.31 : 275,504.42 = 68,282.64 : x
  2. Step 2: Convert to fraction form
    183,657.31/275,504.42 = 68,282.64/x
  3. Step 3: Cross multiply
    183,657.31x = 275,504.42 × 68,282.64
  4. Step 4: Simplify right side
    183,657.31x = 18,812,169,988.74
  5. Step 5: Solve for x
    x = 18,812,169,988.74/183,657.31
  6. Step 6: Final answer
    x = 102,430.82

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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.