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Finding the Fourth Proportional to 183,953.62, 253,858.22 and 103,376.44

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Solution

The fourth proportional to 183,953.62, 253,858.22 and 103,376.44 is: 142,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,953.62 : 253,858.22 = 103,376.44 : x
  2. Step 2: Convert to fraction form
    183,953.62/253,858.22 = 103,376.44/x
  3. Step 3: Cross multiply
    183,953.62x = 253,858.22 × 103,376.44
  4. Step 4: Simplify right side
    183,953.62x = 26,242,959,048.34
  5. Step 5: Solve for x
    x = 26,242,959,048.34/183,953.62
  6. Step 6: Final answer
    x = 142,660.74

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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.