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Finding the Fourth Proportional to 183,073.28, 274,653.77 and 76,397.87

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Solution

The fourth proportional to 183,073.28, 274,653.77 and 76,397.87 is: 114,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,073.28 : 274,653.77 = 76,397.87 : x
  2. Step 2: Convert to fraction form
    183,073.28/274,653.77 = 76,397.87/x
  3. Step 3: Cross multiply
    183,073.28x = 274,653.77 × 76,397.87
  4. Step 4: Simplify right side
    183,073.28x = 20,982,963,320.12
  5. Step 5: Solve for x
    x = 20,982,963,320.12/183,073.28
  6. Step 6: Final answer
    x = 114,615.11

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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.