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Finding the Fourth Proportional to 183,842.82, 253,693.35 and 103,273.74

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Solution

The fourth proportional to 183,842.82, 253,693.35 and 103,273.74 is: 142,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,842.82 : 253,693.35 = 103,273.74 : x
  2. Step 2: Convert to fraction form
    183,842.82/253,693.35 = 103,273.74/x
  3. Step 3: Cross multiply
    183,842.82x = 253,693.35 × 103,273.74
  4. Step 4: Simplify right side
    183,842.82x = 26,199,861,067.63
  5. Step 5: Solve for x
    x = 26,199,861,067.63/183,842.82
  6. Step 6: Final answer
    x = 142,512.29

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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.