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Finding the Fourth Proportional to 183,838.82, 253,687.83 and 103,269.74

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Solution

The fourth proportional to 183,838.82, 253,687.83 and 103,269.74 is: 142,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,838.82 : 253,687.83 = 103,269.74 : x
  2. Step 2: Convert to fraction form
    183,838.82/253,687.83 = 103,269.74/x
  3. Step 3: Cross multiply
    183,838.82x = 253,687.83 × 103,269.74
  4. Step 4: Simplify right side
    183,838.82x = 26,198,276,245.26
  5. Step 5: Solve for x
    x = 26,198,276,245.26/183,838.82
  6. Step 6: Final answer
    x = 142,506.77

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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.