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Finding the Fourth Proportional to 183,696.45, 275,288.04 and 99,274.61

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Solution

The fourth proportional to 183,696.45, 275,288.04 and 99,274.61 is: 148,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,696.45 : 275,288.04 = 99,274.61 : x
  2. Step 2: Convert to fraction form
    183,696.45/275,288.04 = 99,274.61/x
  3. Step 3: Cross multiply
    183,696.45x = 275,288.04 × 99,274.61
  4. Step 4: Simplify right side
    183,696.45x = 27,329,111,432.22
  5. Step 5: Solve for x
    x = 27,329,111,432.22/183,696.45
  6. Step 6: Final answer
    x = 148,773.21

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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.