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Finding the Fourth Proportional to 83,323.48, 114,968.62 and 49,342.64

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Solution

The fourth proportional to 83,323.48, 114,968.62 and 49,342.64 is: 68,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,323.48 : 114,968.62 = 49,342.64 : x
  2. Step 2: Convert to fraction form
    83,323.48/114,968.62 = 49,342.64/x
  3. Step 3: Cross multiply
    83,323.48x = 114,968.62 × 49,342.64
  4. Step 4: Simplify right side
    83,323.48x = 5,672,855,227.96
  5. Step 5: Solve for x
    x = 5,672,855,227.96/83,323.48
  6. Step 6: Final answer
    x = 68,082.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.