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Finding the Fourth Proportional to 183,551.37, 253,304.78 and 102,984.72

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Solution

The fourth proportional to 183,551.37, 253,304.78 and 102,984.72 is: 142,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,551.37 : 253,304.78 = 102,984.72 : x
  2. Step 2: Convert to fraction form
    183,551.37/253,304.78 = 102,984.72/x
  3. Step 3: Cross multiply
    183,551.37x = 253,304.78 × 102,984.72
  4. Step 4: Simplify right side
    183,551.37x = 26,086,521,842.96
  5. Step 5: Solve for x
    x = 26,086,521,842.96/183,551.37
  6. Step 6: Final answer
    x = 142,121.10

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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.