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Finding the Fourth Proportional to 183,892.72, 275,643.06 and 104,836.72

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Solution

The fourth proportional to 183,892.72, 275,643.06 and 104,836.72 is: 157,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,892.72 : 275,643.06 = 104,836.72 : x
  2. Step 2: Convert to fraction form
    183,892.72/275,643.06 = 104,836.72/x
  3. Step 3: Cross multiply
    183,892.72x = 275,643.06 × 104,836.72
  4. Step 4: Simplify right side
    183,892.72x = 28,897,514,301.16
  5. Step 5: Solve for x
    x = 28,897,514,301.16/183,892.72
  6. Step 6: Final answer
    x = 157,143.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.