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Finding the Fourth Proportional to 183,899.81, 253,781.94 and 103,327.29

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Solution

The fourth proportional to 183,899.81, 253,781.94 and 103,327.29 is: 142,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,899.81 : 253,781.94 = 103,327.29 : x
  2. Step 2: Convert to fraction form
    183,899.81/253,781.94 = 103,327.29/x
  3. Step 3: Cross multiply
    183,899.81x = 253,781.94 × 103,327.29
  4. Step 4: Simplify right side
    183,899.81x = 26,222,600,111.14
  5. Step 5: Solve for x
    x = 26,222,600,111.14/183,899.81
  6. Step 6: Final answer
    x = 142,591.78

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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.