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Finding the Fourth Proportional to 183,010.77, 274,016.79 and 138,502.89

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Solution

The fourth proportional to 183,010.77, 274,016.79 and 138,502.89 is: 207,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,010.77 : 274,016.79 = 138,502.89 : x
  2. Step 2: Convert to fraction form
    183,010.77/274,016.79 = 138,502.89/x
  3. Step 3: Cross multiply
    183,010.77x = 274,016.79 × 138,502.89
  4. Step 4: Simplify right side
    183,010.77x = 37,952,117,323.52
  5. Step 5: Solve for x
    x = 37,952,117,323.52/183,010.77
  6. Step 6: Final answer
    x = 207,376.41

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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.