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Finding the Fourth Proportional to 183,842.88, 253,696.41 and 112,342.56

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Solution

The fourth proportional to 183,842.88, 253,696.41 and 112,342.56 is: 155,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,842.88 : 253,696.41 = 112,342.56 : x
  2. Step 2: Convert to fraction form
    183,842.88/253,696.41 = 112,342.56/x
  3. Step 3: Cross multiply
    183,842.88x = 253,696.41 × 112,342.56
  4. Step 4: Simplify right side
    183,842.88x = 28,500,904,162.21
  5. Step 5: Solve for x
    x = 28,500,904,162.21/183,842.88
  6. Step 6: Final answer
    x = 155,028.60

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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.