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Finding the Fourth Proportional to 183,893.79, 253,773.66 and 103,321.27

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Solution

The fourth proportional to 183,893.79, 253,773.66 and 103,321.27 is: 142,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,893.79 : 253,773.66 = 103,321.27 : x
  2. Step 2: Convert to fraction form
    183,893.79/253,773.66 = 103,321.27/x
  3. Step 3: Cross multiply
    183,893.79x = 253,773.66 × 103,321.27
  4. Step 4: Simplify right side
    183,893.79x = 26,220,216,967.24
  5. Step 5: Solve for x
    x = 26,220,216,967.24/183,893.79
  6. Step 6: Final answer
    x = 142,583.48

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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.