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Finding the Fourth Proportional to 183,661.92, 275,599.22 and 77,036.38

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Solution

The fourth proportional to 183,661.92, 275,599.22 and 77,036.38 is: 115,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,661.92 : 275,599.22 = 77,036.38 : x
  2. Step 2: Convert to fraction form
    183,661.92/275,599.22 = 77,036.38/x
  3. Step 3: Cross multiply
    183,661.92x = 275,599.22 × 77,036.38
  4. Step 4: Simplify right side
    183,661.92x = 21,231,166,239.62
  5. Step 5: Solve for x
    x = 21,231,166,239.62/183,661.92
  6. Step 6: Final answer
    x = 115,599.17

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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.