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Finding the Fourth Proportional to 183,791.70, 275,719.95 and 65,531.70

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Solution

The fourth proportional to 183,791.70, 275,719.95 and 65,531.70 is: 98,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,791.70 : 275,719.95 = 65,531.70 : x
  2. Step 2: Convert to fraction form
    183,791.70/275,719.95 = 65,531.70/x
  3. Step 3: Cross multiply
    183,791.70x = 275,719.95 × 65,531.70
  4. Step 4: Simplify right side
    183,791.70x = 18,068,397,047.42
  5. Step 5: Solve for x
    x = 18,068,397,047.42/183,791.70
  6. Step 6: Final answer
    x = 98,309.10

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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.