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Finding the Fourth Proportional to 183,661.88, 253,439.48 and 103,073.84

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Solution

The fourth proportional to 183,661.88, 253,439.48 and 103,073.84 is: 142,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,661.88 : 253,439.48 = 103,073.84 : x
  2. Step 2: Convert to fraction form
    183,661.88/253,439.48 = 103,073.84/x
  3. Step 3: Cross multiply
    183,661.88x = 253,439.48 × 103,073.84
  4. Step 4: Simplify right side
    183,661.88x = 26,122,980,352.09
  5. Step 5: Solve for x
    x = 26,122,980,352.09/183,661.88
  6. Step 6: Final answer
    x = 142,234.09

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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.